sentences:  In addition to Guildhall's flagship concert hall, the Milton Court building also contains a 223 seat proscenium arch theatre, a flexible 128 seat studio theatre and several rehearsal rooms.The school's Grade II listed Silk Street building houses a 308 seat drama and opera theatre, along with a second smaller concert hall, a recital room, theatrical workshops and labs, electronic music studios, recording and sound studios, and over 40 teaching and practice rooms.The school also own the John Hosier Annexe