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city recovering from disappointment, investing not as much (10) EMANCIPATEEuropean chap worried about withdrawn photo's release GARDENHOSEKid’s knocked over shed one rebuilt – a wind-up for the horticulturalist?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