1D - Its contets come from barrel maybe, followed by dram quietly swallowed P-N- P-T ( 4,3) Is it PINT POT? 15A - Trumpet to be used in next Olympics opening ceremony E-T-R (5) 22D - Tiredness stops after I drink L---I (5) 25A - Longing to be accepted by venue for rock band --E-I-O (7))