google之,这个师父应该素这个Gavin Christopher:
　　
　　Gavin Christopher is a
R&B singer and musician born in Chicago Illinois where he started
out playing music at a very early age. Having been schooled by the
likes of Oscar Brown Jr., Donny Hathaway and later on Curtis Mayfield,
he honed his writing and singing skills and began his career, first in
a band called Lyfe (which also included Chaka Khan). Khan then left and
joined Rufus (scoring several pop and R&B hits with them).
Christopher later joined another band called High Voltage with Bobby
Watson, Tony Maiden and Lalomie Washburn. He also penned the song Once
You Get Started which was later recorded by Rufus and hit #10 on the
Hot 100 in 1975.
　　
　　Gavin relocated to Los Angeles California
where he was signed to his first deal with Island Records. He later
moved back to Chicago to record and work with Curtis Mayfield on the
Curtom/RSO label. He worked with Herbie Hancock, writing and singing on
several of his albums. Christopher also penned the Hancock song Stars
in Your Eyes.
　　
　　Following a move to New York City, Gavin
signed with EMI Manhattan Records and had his biggest single to date,
One Step Closer to You (his only Hot 100 hit as an artist, #22 in 1986)
and You Are Who You Love. He also produced music for artists such as
Grandmaster Flash, Afrika Bambaataa and The Ritchie Family. He was
heavily involved in the early hip-hop scene, writing such hits as Girls
Love the Way He Spins, Sign Of the Time, We Gonna Rock America and All
Night All Right.
　　
　　Gavin's sister is dance music vocalist Shawn Christopher.