Alok began his career at the age of 12 along with his
fraternal twin brother Bhaskar Petrillo. At age 19 he pursued a solo career, becoming one of the most prominent icons in the Brazilian electronic scene, with honors and awards, such as "Best DJ in Brazil" awarded by House Mag for two consecutive times (in the years 2014 and 2015) and the only Brazilian in the top 25 world DJ ranking by
DJ Magazine in 2016. At age 10 he began to learn to play, along with Bhaskar. In 2004, Petrillo and his brother visited the rehearsal studio of their father Swarup's band. According to Ekanta, his sons were interested in how the remixes were made. DJs Zumbi and Pedrão, family friends, taught the brothers to mix songs. Each one learned a specialty, one on the keyboard and the other on the guitar. Shortly thereafter, Dick Trevor installed the
Logic Pro music editing program on Swarup's computer, bringing the brothers closer to producing music. Petrillo is also the founder of
UP Club Records, a record label specializing in discovering new inborn talent in
electronic music. In November 2019, Alok Petrillo became a character of
Garena Free Fire under his name Alok and Song released Vale Vale with Zafrir. in August 2021, according to in-game info from Garena Free Fire Alok is the most used character in game. Petrillo along with
Dimitri Vegas & Like Mike &
KSHMR released "Reunion" on Controversia &
Smash The House for Free Fire's 4th anniversary. ==Record label==