The year for music is 2015. Anyone and everyone is engulfed in the blogs of Tumblr. Social media feeds are swarmed with edgy quotes and teenagers sporting band tees, flannels and space buns. Urban Outfitters and American Apparel are booming in business. Vinyl records are rising in popularity once again as the masses chase after the nostalgic experience of holding an album you love in your hands. This is the triumphant conclusion to the beloved era known as "Tumblr grunge."

This sliver of time would not have been what it was without the music driving it. Ten years ago, Halsey and Melanie Martinez released their debut records. Tame Impala released an album that would change the course of indie rock music forever. Bring Me The Horizon, Twenty One Pilots, and Fall Out Boy brought emo into the mainstream with their alternative-leaning releases, yet this only brushes the surface of the game-changing releases in 2015. It feels like just yesterday we were reblogging our favorite moody lyrics, but it has been 10 years since the release of these songs.

10 Trouble - Cage the Elephant

Album: Tell Me I'm Pretty

2015 brought the masterpiece that is Cage the Elephant's Tell Me I'm Pretty and a shift in the band's sound to something softer and more indie-inspired. The record brought one of the band's most successful songs to date, "Trouble," which succeeded on Billboard's Alternative Songs Chart for just shy of a year, peaking at the number 1 spot. "Trouble" is easily one of the band's most wide-reaching songs in their discography, with its message of fighting through the hardships of life and finding solace in love.

With its massive success and notable radio play, it is impossible to reflect on the era of 2010s alternative rock without talking about Cage the Elephant. The single came during a major shift in indie and alternative rock music to a more psychedelic-influenced sound, and proved the band was not going to shy away from the trend. The release of "Trouble," and later Tell Me I'm Pretty in its entirety, marked Cage the Elephant as one of the leaders of the pack for this new wave of alternative music.

9 Black Sun - Death Cab For Cutie

Album: Kintsugi

"Black Sun" marks a monumental point in Death Cab For Cutie's career as a band. As the first offering from the band following the departure of long-time member, Chris Walla, the leading single from their record Kintsugi brought a major shift to the band's sound. "Black Sun" offers a somber melody, starting with a simple guitar riff that remains memorable to this day. The track builds over the course of nearly 5 minutes, incorporating a buzzing synth and distorted guitars, elements that were entirely new to the band's typical sound.

Death Cab For Cutie ed a slew of bands that took this shift toward a more psychedelic, indie-rock sound during the year 2015, and the success of "Black Sun" proved this new era for the band would become a defining moment. The song took to Billboard's Alternative Songs Chart for 26 weeks and remains one of the most influential pieces in this band's discography.

8 The Hills - The Weeknd

Album: Beauty Behind The Madness

Yes, it has been ten years since the release of The Weeknd's iconic R&B anthem, "The Hills." Following the first offering of his record Beauty Behind the Madness, "Can't Feel My Face," this song sees The Weeknd steer away from the pop-driven songs that came before. "The Hills" is an addictive track, alluring with its dark and synth-driven sonic background to The Weekend's smooth vocals. The song shook the masses with its stark difference to the singles that came before.

"The Hills" is an addictive track, alluring with its dark and synth-driven sonic background to The Weekend's smooth vocals.

It was darker and more seductive, yet executed in a brilliant way that catapulted it to the top of the charts without hesitation. Ten years later, this song still remains a masterpiece, and there's no doubt why. It's likely you can still hear the song blasting from the speakers of a car ing by, or bumping on a Saturday night under the lights of the club. With over two billion streams on Spotify and counting, "The Hills" is a song that changed the course of mainstream music for the decade to follow.

7 Uma Thurman - Fall Out Boy

Album: American Beauty/American Psycho

Featuring one of the most iconic samples of the past decade, Fall Out Boy's "Uma Thurman" had a stellar release in the year of 2015. Bridging the gap between mainstream radio and popular alternative rock music, Fall Out Boy cracked the code to drawing in listeners of all genres on this track alone. The key to success? Pop culture references. Between the song's title, named after the famed actress from Quentin Tarantino's Kill Bill, and a cleverly catchy sample of The Munsters theme song, Fall Out Boy had the attention of the masses.

"Uma Thurman" earned the band their first Billboard Radio Songs Top 10 slot, solidifying the already impressive success the track had brought in. It feels like just yesterday you could turn on the radio to catch the iconic snippet of The Munsters theme song, but now even "Uma Thurman" as a whole evokes that nostalgic feeling of a blazing 2015 summer.

6 Pity Party - Melanie Martinez

Album: Cry Baby

2015 was a thriving year for new faces in alternative pop, and it is impossible to go without discussing Melanie Martinez's "Pity Party" in the bunch. The song came off of her debut record, Cry Baby, in which the former contestant of The Voice expressed her most authentic and quirky self. "Pity Party" is no exception, painting a pastel-tinted picture of a lonely birthday party and the emotional roller coaster that came with it. Sampling Lesley Gore's "It's My Party," Martinez helped drive the movement to incorporate themes of nostalgia into this era of alternative music.

With its highly synth-driven beat and unique electronic production, "Pity Party" was a leader in a new wave of alternative pop. Not to mention, the artist and her songs were incredibly popular among Tumblr blogs, sporting a frilly, pastel-colored aesthetic, staple two-toned hairstyle, and a vintage take on the nostalgic imagery of childhood. Paired with her stark and moody lyrics, Martinez became an icon for misfits during the era.

5 Drown - Bring Me The Horizon

Album: That's The Spirit

Bring Me The Horizon followed their industry-breaking record, Sempiternal, with the masterpiece that is That's the Spirit. The 2015 record brought one of the band's most widely emotionally charged songs, "Drown," which remains a staple of the band's discography to this date. Channeling a more experimental approach to songwriting, the band infused various genres into the record, and "Drown" specifically sees influences from indie and alternative rock anthems while remaining true to their sound.

The track features the iconic and memorable lyrics, "Save me from myself / Don't let me drown," that became a sensation across the internet. Tumblr blogs in particular took a fondness to the vulnerability of the song, and moody edits with the song's lyrics displayed across the screen were a staple across s' feeds on the app.

"Drown" specifically sees influences from indie and alternative rock anthems while remaining true to their sound.

The true beauty of this song comes with the tradition which the band has taken to incorporate into their live performances. Even ten years later, the lead singer, Oliver Sykes, takes this song to step into the audience, sharing embraces with fans while he sings the emotionally heavy song. This display alone is a true testimony to the way this track has stood the test of time.

4 Daddy Issues - The Neighbourhood

Album: Wiped Out!

Perhaps the internet's favorite song of the "Tumblr grunge" era, there is no question that "Daddy Issues" is one of the most impressive of The Neighbourhood's discography. Coming off of their sophomore record, Wiped Out!, the song builds upon the sounds established in the band's debut record, I Love You, and takes them to a more emotionally vulnerable place. With a catchy yet somber guitar riff carried throughout the song, "Daddy Issues" explores the lack of a relationship with a father figure, particularly that which frontman, Jesse Rutherford, struggled with.

Combined with its droning bass and dark ambiance, the song captivated the attention of listeners across the world, whether relating to the lyrical message of the track or not. To this day, ten years later, "Daddy Issues" remains a staple for moody playlists and late-night drives alike, drawing a bit of nostalgia for the thriving era of alternative rock it was a part of.

3 Castle - Halsey

Album: Badlands

At a mere 20-years-old, Halsey emerged onto the alternative rock scene holding nothing back. "Castle" is the opening track to the artist's debut record, Badlands, an intricate concept album exploring a dystopian society that takes on the same name as the record. While the record is filled with incredible tracks to discuss, such as the queer anthem "New Americana" or the moody, romantic contemplation that is "Colors," there is no song quite like "Castle."

Opening on an immediately recognizable electronic beat, the song paints a picture of the dystopian world in which Halsey draws us into on Badlands. The artist's talent was quickly picked up with this debut record, and, notably, "Castle" reached massive success with its use in film and TV. Featured as the leading promotional song for The Huntsman: Winter's War, "Castle" skyrocketed on the charts. To this day, the track is used across the media, as there is no artist that soundtracks a dark, fantasy kingdom quite like Halsey.

2 The Less I Know The Better - Tame Impala

Album: Currents

Tame Impala's "The Less I Know The Better" was released ten years ago, and has undoubtedly become the song of the decade in psychedelic indie rock. Off of the album that would change his career forever, Currents, "The Less I Know The Better" is an incredibly catchy and chilled-out track. Driving the track is a funky bass riff that die-hard indie fans can recognize within a second, as there is nothing else quite like it.

With its unique sound that drives listeners into a trance, Tame Impala shaped the future of his career with this one track in particular. Amassing nearly 2 billion streams on Spotify to date, "The Less I Know The Better" was an anthem to the indie kids of both yesterday and today. There is no feeling quite like turning on Currents and immersing yourself in the psychedelic wave that is Tame Impala, even ten years after its initial release.

1 Stressed Out - Twenty One Pilots

Album: Blurryface

The duo known as Twenty One Pilots from Columbus, Ohio, shook the internet with the release of their single "Stressed Out" ten years ago. As a single off of their sophomore record, Blurryface, "Stressed Out" saw an unexpected rise to success with its easily relatable lyrical nature on the pressures of life as an adult. The track was unlike anything else that accompanied it on the mainstream radio, with a raw, drum-driven beat and a catchy melody that is irresistible to sing along to.

Not only was the song a major hit, but it brought about an iconic music video that would become a staple for the image of the band. Picturing band Tyler Joseph and Joshua Dun riding around a neighborhood on tricycles and drinking Capri-Suns on the curb, the music video for "Stressed Out" painted an image of yearning to escape back to the "good old days."

The track was unlike anything else that accompanied it on the mainstream radio.

"Stressed Out" became a leading example of the new form alternative rock was taking in 2015, something effortlessly appealing to the masses while maintaining its authenticity. It feels like no time has ed since we were all blaring the track through our car stereos driving around the neighborhood, but it is true, ten years have ed, yet their influence on the genre holds strong.