Sahir is a Pakistani singer, music director and composer from Lahore, who composes music for Lollywood and other independent singers. Sahir Ali Bagga started in the music industry as a drummer and later joined the band Jupiters where he met music video singer Jawad Ahmad. He composed music for Ahmed’s album and this helped Bagga find his career path, later on, Pakistan Army boosted his career to Himalayan peak by adopting him as an official singer of National Armed forces after Noor Jehan. He first received recognition and praise for his work and musical arrangements on Pakistan Television produced TV show named Virsa: Heritage Revived (2009–2010) TV season. On this show, he composed music for TV performances of Shafqat Amanat Ali Khan, Rahat Fateh Ali Khan, Azra Jehan, Sanam Marvi and many more performers. He has also appeared in Coke Studio Pakistan
Music Award nominations for best male playback singer. In 2017, Revanth sang his first Bollywood song, the title track for Sabse Bada Kalakar, a reality show on Sony Entertainment Television.