Rohail Hyatt HI is a Pakistani record producer, keyboardist, and composer. As a record producer, Hyatt is largely credited with pioneering Pakistani pop rock music by incorporating western rock and pop influences.
In 1986, Hyatt founded the band Vital Signs and released its commercially successful and critically acclaimed album, Vital Signs 1. The first album included the international number-one single "Dil Dil Pakistan" as well as "Tum Mil Gaye", which were both composed by Hyatt. The big commercial success of Vital Signs' first album helped shape the rock music industry of Pakistan. In 1991, Hyatt produced and released the band's second album, Vital Signs 2, distributed by EMI Pakistan, which received mixed reviews. Between 1993 and 1995, Hyatt garnered recognition and critical acclaim for composing the two albums which improved the recognition of his work in the music industry.
In 1998, Hyatt discontinued Vital Signs after facing various issues, parting with fellow band member Junaid Jamshed to focus on his solo career.