Curtis Stigers
I wonder why (1992)
Curtis Stigers is an American jazz vocalist / saxophonist / guitarist / songwriter born on 18 October 1965 in Boise, Idaho, USA. He achieved a number of hits in the early 1990s, most notably "I Wonder Why", which reached #5 in the UK and #9 in the US in 1991.

He is signed with Concord Records. He had his d├ębut self titled album in 1991 which sold 1.5 milllion. In his solo career, his most famous songs are 'I Wonder Why' and 'You're All That Matters To Me'.