### Clue: Applause with sound cut off for rock guitarist (7)
### Answer: CLAPTON 
 ### Explanation: Definition: rock guitarist
 CLAP(a round of applause) **plus**(with) "tone"(a sound used as a signal, as in "a dialling tone") **minus its last letter**(cut off).
Answer: Eric, who played in groups including the Yardbirds and Cream before going solo.