The Music Quiz: Who will play Jerry Garcia in a Martin Scorsese movie?

Plus: Who has been on the cover of Rolling Stone more times than any other woman?

The Grateful Dead’s Jerry Garcia (1942-1995)  in July 1994. Photograph: Toby Talbot/AP
The Grateful Dead’s Jerry Garcia (1942-1995) in July 1994. Photograph: Toby Talbot/AP