who wrote believe it or not i'm walking on air
Believe It or Not (song) "Believe It or Not" is a song composed by Mike Post (music) and Stephen Geyer (lyrics) and sung by American singer Joey Scarbury. It serves as the theme song for the television series The Greatest American Hero. The track was later included on Scarbury's 1981 debut album America's Greatest Hero.
I Believe in You (Don Williams song) "I Believe in You" is a song written by Roger Cook and Sam Hogin, and recorded by American country music artist Don Williams. It was released in August 1980 as the first single and title track from the album I Believe in You.