Talk Shoppe will hold an open microphone discussion, “Hot Topics in Your Industry,” Wednesday, Nov. 21, from 9 a.m. to 10 a.m. at the Better Business Bureau, 3693 Tyndale Ave. Cost is free. Visit talkshoppe.biz.

The Circuit Playhouse will present “Ken Ludwig’s ’Twas the Night Before Christmas” Friday, Nov. 23, through Dec. 30 at Circuit, 51 S. Cooper St. Visit playhouseonthesquare.org for times and tickets.

Methodist North Hospital will hold a free diabetes management class Tuesday, Nov. 27, from 5 p.m. to 7 p.m. at the hospital’s Total Joint Center, 3960 New Covington Pike. Call 516-5038 to register.

Talk Shoppe and the Small Business Chamber will present “The Mastermind Principle: Based on the Book ‘Think & Grow Rich’ by Napoleon Hill” Wednesday, Nov. 28, from 9 a.m. to 10 a.m. at the Better Business Bureau, 3693 Tyndale Ave. Cost is free. Visit smallbusinesschamber.com or talkshoppe.biz.

BIG for Memphis will host Memphis Police Department Director Toney Armstrong Wednesday, Nov. 28, from 10:15 a.m. to 11:30 a.m. at Phelps Security, 4932 Park Ave. BIG brings together Memphis Police Department colonels and business leaders to impact the community. Cost is free. R.S.V.P. to billy.garrett@phelpssecurity.com.

The Rotary Club of Memphis East will meet Wednesday, Nov. 28, at noon at The Racquet Club of Memphis, 5111 Sanderlin Ave. Christian Brothers University President John Smarrelli will speak. Cost is $17. R.S.V.P. to Lee Hughes at lmhughes@bellsouth.net.

Kiwanis Club of Memphis will meet Wednesday, Nov. 28, from noon to 1 p.m. at The University Club of Memphis, 1346 Central Ave. Dr. Glen Fenter of Mid-South Community College will speak. Cost is $25 for nonmembers.

The Circuit Playhouse will present “The Santaland Diaries” Friday, Nov. 30, through Dec. 23 in Circuit’s Memphian Room, 51 S. Cooper St. Visit playhouseonthesquare.org for times and tickets.

Ballet Memphis will present “Nutcracker” Friday, Nov. 30, through Sunday, Dec. 2, at The Orpheum Theatre, 203 S. Main St. Visit balletmemphis.org for times and tickets.

Poplar Pike Playhouse will present “The Secret Affairs of Mildred Wild” Friday, Nov. 30 through Dec. 15 at the theater, 7653 Old Poplar Pike. Visit ppp.org for times and tickets.

The South Main Art Trolley Tour will be held Friday, Nov. 30, from 6 p.m. to 9 p.m. in the South Main Historic Arts District. Email info@southmainmemphis.net.