Marvin Gaye has left behind over 60 demos on different cassette tapes.

Family of late soul singer Marvin Gaye sued R&B recording artists Robin Thicke and Pharrell Williams for copyright infringement on Wednesday, accusing them of stealing from the Motown legend's musical composition for the hit single 'Blurred Lines.'

Marvin Gaye's son has blasted a biopic about his father which is tipped to be played by Lenny Kravitz. Marvin Gaye III has expressed that he is not happy with the biopic about his legendary father, which will star his childhood friend Kravitz. Gaye III wants to talk to Kravitz as to "why he would do this," according to TMZ.