### Clue: Singer from Cape enthralled by Beatle's playing (4,7)
### Answer: PAUL ROBESON 
 ### Explanation: Definition: Singer
 ROBE(a cloak, an sleeveless example of which is the cape) **contained in**(enthralled by) PAUL(McCartney, one of the Beatles)'S + ON(playing/performing, as in "who's on?").