The Isley Brothers' "best" song, according to the Seventh Doctor, was "This Old Heart of Mine". (AUDIO: Love and War) When Teal Green was surprised to see Bernice Summerfield, she asked if he was "expecting the Isley Brothers”. (PROSE: Lucifer Rising) The android Isley was named after this group, as it was her creator Albert Gilroy's favourite band. He often played their music while he was working. (PROSE: Nuclear Time) They showed up at the wedding of Jason Kane and Professor Bernice Summerfield on 24 April 2010 - much to their own surprise. (PROSE: Happy Endings)

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