How Do You Do? 
The theme as stated is “do” homophones, but it’s really music.
Beach Boys   [Oldies Rock]
Beethoven’s Third   [Classical]
Sinatra   [Big Band]
EMINEM   [Rap]
SYD 
Barrett   [Pyschedelic Rock]
Steely Dan   [Classic Rock]
Perry COMO   [Pop]
Rock group   BAND 

 Ed could have gone with “Ritter of 
C&W” at 40 Down for TEX and “
Big Band man Brown” at 41 Across for LES. 
 Shredded side
Shredded side   SLAW [side = side order]
Housewarming aid?   STOVE [
housewarming spells 
party: two words needed for 
heat]
Brief lunch?   BLT
Mont Blanc assent   OUI [not ascent]
RATING:  
Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun