There are at least 3 artists sharing the name Abhay Kumar. 1) Abhay Kumar (New Delhi), 2) Abhay Kumar (Himachal Pradesh), Abhay Kumar (Bihar)

1) Abhay Kumar (born March 4, 2000) is an Indian musician, producer, film score composer, record producer.
From young age, he immersed himself in music by bands and artists including " Linkin Park, Thirty Seconds To Mars, Mutemath, The Killers, Muse, Green Day, Hans Zimmer..." In 2012, he was introduced to Magix Music Maker by his brother Akshay Kumar (film maker). He then produced many music during his schooling with a stage name Big Band Theory. In 2017 after completing school, Abhay composed his first full soundtrack for his brother's short film : "The Interview by MobileWala Production". In 2018, Abhay changed his stage name from Big Band Theory to Abhay Kumar, and Released his first Album MONSOON on July 15th, 2018.
In 2019, Abhay took down some of his releases because of the production quality including: Monsoon, Work of Art, Astitva, INTERLUDE, The Gold. But not being able to collect the source and project files he couldn't manage to redo the mixing session. That led to a big gap of no new releases till 2021. In september 2021, Abhay decided to re-initiate the Big Band Theory as a side project to release all the previous productions as demos and b-sides.

2) Abhay Kumar is a singer songwriter from Himachal Pradesh under the Label Surmayi Beats. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.