As Haliene

In 2015, Sweet changed her stage name to Haliene, releasing her first collaboration on March 3, The End with Seven Lions on Casablanca Records.^[15] She said her name was inspired from haleine, the French word for breath.^[16] She later worked with Seven Lions again on "Rush Over Me", a collaboration with Illenium and Said The Sky that reached number 50 on the Billboard Hot Dance/Electronic Songs chart.^[17]

She first performed live at Webster Hall, New York, March 5, 2015, with Seven Lions at his Throes of Winter release party.^[18][19] Haliene has since performed all over the world at venues such as the Red Rocks Amphitheatre, Bill Graham Civic Auditorium, Hollywood Palladium, San Jose City National Civic Arena, AFAS Live, O2 Academy, ExchangeLA, the Jakarta Colosseum and the Las Vegas Motor Speedway.^{[20][21][22][23]} In June 2017, she was the only singer to perform two times at the Electric Daisy Carnival with Illenium and Ferry Corsten at the festival which hosted over 400,000 attendees.^[24][25] In March 2018, she performed with Gareth Emery at Bill Graham Civic Auditorium to a sold-out crowd for his show "laserface".^[26]

Since her debut, Haliene has collaborated with many leading DJs and producers including: ATB,^[27] Blasterjaxx,^[28] Seven Lions,^[29] Illenium, Danny Avila,^[30] Slander,^[31] Project 46,^[32] Aly & Fila, Standerwick,^[33] and Ferry Corsten. Sabrina Clark from Dance & Rave named her "dance music's new favourite girl".^[34]

Haliene cites Ella Fitzgerald and Delerium as some of her inspirations, although her musical interests are "all over the place".^[35]

In November 2016, Haliene wrote the song "Saving Light" with Gareth Emery, Roxanne Emery, Karra and Matthew Steeper. It was released January 30, 2017, by the Canadian label, Monstercat.^{[36][37][38][39][40]} The song reached number one on the Beatport overall chart within a week of its release, becoming the first trance single to do so in 5 years.^{[41][42][43][44]} The artists partnered with the UK's largest anti-bullying charity Ditch the Label, launching a campaign titled after the song to raise money for the victims of bullying.^[45] On December 19, 2017, Armin van Buuren chose "Saving Light" as one of his top 50 tracks to comprise the 2017 trance mix album, A State of Trance 2017.^[46][47] van Buuren later concluded 4-hour radio show special with the announcement that Saving Light had won the "Tune of the Year" award by popular vote for his widely syndicated radio show A State of Trance.^[48][49] On May 26, 2017, Haliene released a collaborative science fiction-influenced trance album, Blueprint with Dutch DJ Ferry Corsten on his label Flashover Recordings.^[50][51] The album contains a storyline narrated by American actor Campbell Scott and illustrations from Canadian visual artist Oska.^[52] Haliene also voice-acted, contributing dialogue as the main female protagonist Vee. She collaborated with Corsten, singing on five tracks and contributed songwriting on six.^[53][54]

On February 2, 2018, she released Deep End, a collaboration with trance producer Standerwick on Armin van Buuren's imprint Armind Records. It was Tune of the Week on A State of Trance two weeks in a row.^[55]

Haliene released her first solo record Dream in Color, on Monstercat, April 3, 2018.^[56][57] This release marked Haliene as the first female artist to release a song on the label without it being a collaboration with another artist.^[58]

Her song "In My Mind", with Illenium and Excision, reached number 22 on the Hot Dance/Electronic Songs chart, and was a track on Illenium's Fallen Embers which received a Grammy nomination for Best Dance/Electronic Album.^[59]

In 2023, she was selected as the Artist of the Year (Female) at the second edition of the Electronic Dance Music Awards (EDMA) in Miami.^[60]

In June 2023, Haliene announced an open aux competition for aspiring DJs to open for her at the Fonda Theater.^[61] She selected Freya Fox as the winner to open alongside DJs Lione and Kaidro.^[62][63][64]

Studio albums

Singles