Which person that recorded the album "Focus Plays Focus" was born on 24 December 1946?
Jan Akkerman Jan Akkerman (born 24 December 1946) is a Dutch guitarist. He first found international commercial success with the band Focus, which he co-founded with Thijs van Leer. After leaving Focus, he continued as a solo artist, adding jazz fusion influences. He has also introduced baroque music into his repertoire.
Colin Petersen Frederick Colin Petersen (born 24 March 1946) is an Australian drummer, record producer and former child actor. He played as a member of the bands Steve and the Board, the Bee Gees and Humpy Bong. In August 1969, he left the Bee Gees and he was replaced by Pentangle drummer Terry Cox to record the songs for their 1970 album "Cucumber Castle".