It takes some guts — or just an utter foolhardiness — to casually name a second album after one of the greatest works by one of jazz’s greatest players, so no matter the reaction, the Boo Radleys knew exactly what they were doing. If that level wasn’t quite achieved, Giant Steps did show that the quartet was happily moving beyond a basic shoegaze tag to try everything from sweetly sunny pop to noise collages to dub-informed slow burns that turned into majestic fanfares.