soft-seat place
n.— «A lot of really good mid-line acts that would ordinarily play a soft-seat place such as Massey Hall were just slaughtered this year—Joan Armatrading, Todd Rundgren and Robert Palmer. All of them deserved better and bigger audiences.» —“And the winner is…“ by Liam Lacey Globe and Mail (Toronto, Can.) Sept. 17, 1983. (source: Double-Tongued Dictionary)