With just 3:14 in duration, this is not the longest. However, that is already a much longer version than originally intended. It was meant to be just two minutes. When it proved to be more popular George M added a guitar solo and a repeat.
Faith is also the name of the whole debut album, that contained much better (and longer) songs like Father figure and I want your sex. The b side of the single captures perfectly the direction that George M had taken after the end of Wham!. Soulful, funky and with a whispering voice.