Need some help with last four! 1d Hoist sail and steer round bend to find jewels (5) I've got B_J_U_ could it be BIJOUL?
13a How to teach music loudly in locations abroad (5,3,2) I've got _O_I_, S_L, _A & no ideas at all!
24d Who reported some laughter and commotion (3,2) I've got H_T, _ _
30a Room to move set, taking in small return I've got L_E_ _ _
Any help much appreciated, many thanks!