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"Only You Know and I Know" is a song written and originally recorded by Dave Mason in 1970. It is a track from his LP, Alone Together. The song was his first charting single, and it became a modest hit for him in the U.S. and Canada.
Delaney & Bonnie version
"Only You Know and I Know" was recorded by Delaney & Bonnie in 1969 and released as a single in 1971. It reached the Top 20 in the U.S. and the Top 10 in Canada. It was included on their album the following year, D&B Together.
"Only You Know and I Know" was covered by Rita Coolidge on her 1971 LP Nice Feelin'. It was much later used as the B-side to her 1978 Top 40 hit "You".
"Only You And I Know" was also covered by Kimm Hekker in 1976. The song has only been released on single and is the A-Side of "Hey Boy".