Andriy Khlyvnyuk was born on 31 December 1979 in Cherkasy. He studied accordion at the First City Gymnasium, a music school. In 2001, the band won the Pearl of the Season festival and the musicians moved to Kyiv. In the capital, Andriy became interested in jazz and swing, and sang with the Acoustic Swing Band. Later, the members of three bands - Acoustic Swing Band, Dust Mix and Tartak - formed the band Graphite, in which Andriy was the vocalist.

In 2004, Andriy Khlyvnyuk and Tartak's guitarist Andriy "Mukha" Samoil formed the funk groove band Boombox. In a few years, the band became very popular in Ukraine and Russia. In April 2005, they recorded their first album, Melomania. In 2006, the band released their second disc, Family Business, which received gold status in Ukraine (over 100,000 copies of the disc have been sold to date).

"Boombox at a concert in Mykolaiv (2010)
Khlyvnyuk was the sound producer of the album of Ukrainian singer Nadine, with whom the duo performed their own song "I don't know" in 2007 and then filmed a video. The duo received the Most Unexpected Project of the Year award from the E-motion portal.

In the summer of 2007, the song "Vakhteram" was broadcast on Russian radio stations, and in the autumn, the song "ta4to" was included in the rotation of Moscow radio stations. Subsequently, Russian record labels became interested in Boombox, and a contract was signed with Monolith to release the albums Melomania and Family Business in Russia, which were released on 10 June 2008. In August 2009, Khlyvnyuk, along with Yevhen Koshov and Potap, provided the voice acting for the French parkour action film 13th District: Ultimatum". Andriy voiced the French policeman Damien.

In December 2009, the band released a joint album with Kyiv-based DJ Tonique. On 24 June 2010, the band presented the album "All Inclusive" in Kyiv. At the end of 2011, the album "Middle Age" was released.

Andriy Khlyvnyuk with Dmytro Shurov at the Pianoboy concert at the Green Theatre (2014)
In the summer of 2015, Khlyvnyuk became one of the jury members of the sixth season of the X Factor vocal competition on the Ukrainian TV channel STB, replacing Ivan Dorn.

In 2022, after the start of Russia's invasion of Ukraine, he joined the ranks of the Territorial Defence Battalion of Ukraine. At that time, a video of Khlyvniuk singing the Ukrainian folk song "Oh, in the meadow is a red viburnum" with a gun in his hand went viral on social media. Subsequently, South African musician The Kiffness also supported the Ukrainian people in the war against the Russian army and recorded a remix of this song performed by the lead singer of the Boombox band. On 8 April, Pink Floyd released the single "Hey, Hey, Rise Up!" based on the same song, with Khlyvniuk also singing on it.

On 26 March 2022, he came under mortar attack by Russian troops and was lightly wounded in the face.