Serenade in D,K250 'Haffner' Serenade in D major k 250 "haffner" Serenade in D,K 250,248b 'Haffner' 5-12. Serenade in D, KV 250 Haffner Serenade No.7 In D,K.250 'Haffner' Serenade No.7 in D major,K.250 'Haffner' Serenade No.7 In D Major,K.250 'Haffner' Rondo (from Serenade in D,K.250 'Haffner') Serenade in D,K320 'Posthorn' Serenade in B & E flat