Complex sentence: On 1 October 2001, a song from "thekidswho..." was re-recorded and released as a single, "Justboy"; this was repeated again on 4 February 2002, when the song "57" was released.
Split into simpler sentences: On 1 October 2001, a song from "thekidswho..." was re-recorded and released as a single, "Justboy". This was repeated again on 4 February 2002, when the song "57" was released.