Six Piece Band
Looking fom the FOH, L to R -

Stu - Bass Guitar - Backline amp with DI - Also plays harmonica for one number using vocal mic

Paul - Accordeon (Balanced Out - Phantom Power Required), Fiddle and Mandolin - (Balanced out - Phantom Power Required)

Nick - Accordeon (Balanced Out - Phantom Power Required), Mandolin (DI Required)

Chris - Drums (Kick, Snare, Floor Tom, Cymbals). Mic as appropriate

Phil - Rhythm Acoustic Guitar (DI Required)

Craig - Lead Guitar - Backline Amp. Mic as appropriate

Vocal Mics - 4 Stu/Paul (Lead and Backing), Nick (Lead Singer), Phil (Mainly for chat between numbers), Craig (Lead and Backing)

Monitors - At least two stage front, one for drums. At least two monitor mixes.