<P> Wood performed the song in his solo concerts between 1987--2012 . </P> <P> The lyrics describe a dialogue between a grandfather and grandson, with the elder man warning the younger about the perils of relationships with women: "Poor old granddad, I laughed at all his words / I thought he was a bitter man; he spoke of women's ways ." The chorus laments, "I wish that I knew what I know now, when I was younger ." </P> <Ul> <Li> Ronnie Wood--vocals, acoustic lead guitar </Li> <Li> Ronnie Lane--bass, resonator rhythm guitar, tambourine </Li> <Li> Ian McLagan--piano, organ, Mellotron </Li> <Li> Kenney Jones--drums, maracas </Li> </Ul> <Li> Ronnie Wood--vocals, acoustic lead guitar </Li>

Who sang i wish i knew what i know now