If you want to grab a meal before a gig at Crookes Social Club, here are some places which are recommended on tripadvisor:

Casanova (Italian): http://www.casanova-sheffield.co.uk/ Phone: 0114 2666684

Indian Chefwww.indian-chef-sheffield.co.uk/ Phone 0114 266 6052

No Name Bistro (TYO): www.facebook.com/NO-NAME-Sheffield-1695321363841840/?ref=py_c  Phone 01142661520

Also The Ball pub (http://www.ball-sheffield.co.uk/  ) does decent and reasonable pub grub. Phone: 0114 2661211.