### Clue: Harry Styles track endlessly played on this? (7,3)
### Answer: CRYSTAL SET 
 ### Explanation: Definition: played on 

***(styles trac)** [anag:*harry*] where TRAC is TRAC(k) *endlessly*
 

 
*A crystal radio (or a crystal set) was a simple radio receiver, popular in the early days of radio.