THEME:   last word of a well-known phrase can precede DETECTOR   
GOOD ONES:     Device for exposing {theme}   DETECTOR   
General organization?   ARMY   
Word before base or ball   AIR [in basketball an air ball misses completely the basket and backboard]   
Song and dance   ARTS ["Don't give me that song and dance!"]      
BTW:   IM guffaw   LOL [in NY City it meant an ironic "lots of luck"]      
Inducing the willies   EERIE [can't remember the last time I heard "the willies"]      
Kitched dweller of song   DINAH [can't remember the last time I heard "Someone's in the Kitchen with Dinah"]      
Unit between levels   
STAIR STEP [not buying this term as a phrase]      
Spanish 101 verb  
 ESTA [good clue if we were in the class --- less so if you took German, or French, or Mandarin]         
RATING:    
 
 
Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun