Caleb Quaye a keyboard player named Reg Dwight, who would soon become known as Elton John. When Bluesology disbanded in 1967, Quaye released a single under the name Caleb called "Baby Your Phrasing is Bad" b/w "Woman of Distinction" (1967, Philips Records). In 1969 he served as guitarist for the one-off "flower power" pop band Argosy (which also included Dwight, Roger Hodgson, and Nigel Olsson) on their single, "Mr. Boyd" b/w "Imagine". Starting in 1969, Quaye played guitar supporting Elton John at live concerts around the local London area, with what eventually became the nucleus of Hookfoot for sporadic shows. The live
I Should Have Known Better solo) and thus draws a line under a significant period of their early music. The song's middle sixteen section features George Harrison's brand new Rickenbacker 360/12 12-string guitar. The mono and stereo versions have slightly different harmonica introductions. In the stereo version, the harmonica drops out briefly. Also, a noticeably clumsy and audible tape edit is heard during the second chorus between "You're gonna say you love me too, oh," and "And when I ask you to be mine." In the UK, "I Should Have Known Better" appeared on "A Hard Day's Night" and was released on 10 July 1964.