Michael was the lead singer on the first recorded version of his own "The Girl I Knew Somewhere" in January 1967. This take of the song remained unreleased until 1995:
The single version, recorded one month later, featured Micky on lead vocals along with a different arrangement. Davy was absent from these sessions as he was on holiday in England.
Here's a stereo remix of the second recorded version that was showcased on the Headquarters 2-CD deluxe edition, released in 2007: