First recorded by Soul Brothers Six (US #91 1967).
Other hit versions by The Fantastic Johnny C (US #87 1968), Grand Funk Railroad (US #3 1974), Huey Lewis & The News (US #44/MOR #4 1994).
Also recorded by Q-Tips (1980), Buddy Guy with Paul Rodgers (1993).
From the wiki: “‘Some Kind of Wonderful’ is a song written by John Ellison and first recorded by his group, Soul Brothers Six, in 1967, peaking at #91 on the U.S. Billboard Hot 100. The Fantastic Johnny C next recorded a version of the song in 1968 that briefly charted in the US.