cryptic
4A Violent cloudburst affected most round river (5) ? ? ? ? ?
11A Lot more confused by the musical effect (7) ? ? ? ? ? ? O
16A Expert admits trainee is outspoken (5) ? ? ? ? ?
5D Left Rio and cultivated plant (7) ? ? ? ? O ? ?
6D Rips off back - row pieces (5) ? ? ? ? S
28A Consented without a great longing (5) ? ? ? E ?