His songs (for example, ``Hey Bo Diddley'' and ``Who Do You Love?``) often have no chord changes; that is, the musicians play the same chord throughout the piece, so that the rhythms create the excitement, rather than having the excitement generated by harmonic tension and release. In _his_ other recordings, Bo Diddley used a variety of rhythms, from straight back beat to pop ballad style to doo-wop, frequently with maracas by Jerome Green. <sep>, Pronoun: his