The answer to “"__ betcha"” in the LA Times Crossword

"American Dream" band __ Soundsystem 3 ltr "Eureka!" cries 4 ltr "Meditative Rose" artist 4 ltr "Sweeney Todd" setting 6 ltr "__ you decent?" 3 ltr 20-volume ref. work 3 ltr Alyosha Karamazov, for one 14 ltr Beethoven's Third 6 ltr Break off a romance 5 ltr Card in an around-the-corner straight 3 ltr Cause of interrupted sleep, perhaps 5 ltr City grid feature 6 ltr Clutter-free 4 ltr Color of Lucky Charms balloons 3 ltr D-backs, in box scores 3 ltr Down-at-the-heels 5 ltr Early ISP 3 ltr Elevated on the course 4 ltr Evil actions of a cartoon villain, e.g. 14 ltr Feel icky 3 ltr Final touch for some desserts 14 ltr First host of "Saturday Night Live UK" 3 ltr Followers of epsilons 5 ltr Forest nymphs 6 ltr Former telecom co. 3 ltr Forty-second cousin 15 ltr Frazer Lake bear 6 ltr Go off 5 ltr Goes out 5 ltr Gold medalist at the 1936 Summer Olympics 5 ltr Got on the nerves of 5 ltr Grain in many a Quaker product 3 ltr Grass unit 5 ltr Greek letter that represents torque in equations 3 ltr Guitar bars 5 ltr Having no chance of success 14 ltr Hem, but not haw 3 ltr Ivory soap ad word 4 ltr Japanese laptop maker 4 ltr Kindle display 4 ltr Little newt 3 ltr Make certain 6 ltr Mars or Mercury 3 ltr Metallurgist's material 3 ltr Millennial follower, briefly 4 ltr Motor vehicle 4 ltr New Deal pres. 3 ltr Not having that sinking feeling? 6 ltr OR workers 3 ltr One of a cereal trio 4 ltr One who may say "G'day" 6 ltr Pilot's approx. 3 ltr Plains people 4 ltr Prefix with -metric 3 ltr Private pupil 5 ltr Safe Drinking Water Act org. 3 ltr Secret plans 8 ltr Sets up 7 ltr Sobriquet letters 3 ltr