■Singers wanted: Monash Chorale has vacancies for most voice parts, especially sopranos, tenors and basses, for its May concert, which covers a range of popular songs from the '60s onwards. Details: 98079624.

■Cultural flavours: Seamus O'Hanlan, deputy director of Monash University Institute of Public History, will talk about how diverse ethnic influences have shaped Monash suburbs, at 2pm on March 17, at Oakleigh library, 148 Drummond St. Details: 95634138.

■Indoor bowls: St John's Indoor Bowling Club is open to new members and beginners for sessions at 9.30am and 1.30pm on Mondays and 7.30pm on Thursdays, at St John's Uniting Church, Virginia Street, Mt Waverley. Details: 98077715.

■Study volunteers: Jean Hailes needs women to take part in a six-month study of period pain and a 12-month study for a contraceptive transdermal patch. Details: 0434408931.

■Back pain: Free local physiotherapy treatment available for people aged 18-65 with back pain or sciatica of less than six months duration for a La Trobe University research trial. Details: 94795871.

■Speak out: Learn to speak confidently in public with the Waverley Communicators, 7.45pm on the second and fourth Tuesday of the month, at the craft room, Mt Waverley Community Centre, 47 Miller Crescent. Details: 95768790.