DECELERATE

DUSSELDORFEuropean city recovering from disappointment, investing not as much (10) ENANTIOMERAwkwardly mention ear — it's one of a pair, the mirror image of the other KOOKABURRAThis bird sits in the old gum tree (10) SETTOMUSICNoted work? CONTAGIOUSLike laughter, sometimes ISLEOFDOGSReportedly, I adore residents of Battersea, part of London SOMEPEOPLE"Unbelievable!" ... or what 17-, 25-, 35- and 46-Across are made from, letter-wise? ALASKAROLLSushi bite topped with salmon BROOMSTICKWitch carrier (10) EMANCIPATEEuropean chap worried about withdrawn photo's release GARDENHOSEKid’s knocked over shed one rebuilt – a wind-up for the horticulturalist? (6,4) BEAUTYMARKEnhancing "blemish" (3x) SERENENESSSneers seen to disrupt peace WHATISMORESaw her cavorting with 5 in addition