"Step by Step" is a song by New Kids on the Block, released on May 10, 1990 as the first single from the album of the same name. It is the group's biggest-selling hit single. The lead vocals were sung by Jordan Knight. Danny Wood sang "Step 1", Donnie Wahlberg sang "Step 2", Jordan Knight sang "Step 3", Joey McIntyre sang "Step 4", and Jonathan Knight sang "Step 5". "Step by Step" was initially recorded by one of Maurice Starr's other groups, The Superiors. It was released as a single in 1987 on Motown Records but it was not successful. The New Kids cover of the song on the other hand was a huge worldwide hit, becoming one of the biggest selling singles of 1990. The New Kids on the Block's cover spent three weeks at No. 1 on the U.S. Billboard Hot 100 and was eventually certified platinum; it also spent two weeks at No. 1 on the Canadian Singles Chart, in total "Step by Step" spent five weeks at No. 1 in the North American charts. It also peaked at No. 2 on the UK Singles Chart and was also a top 10 hit in the Australian, French, German, Irish and Norwegian charts. Donnie Wahlberg's brother Mark Wahlberg appears in the video for this song. Links: https://www.youtube.com/watch?v=GDEDQ8TCzW8