Ultimate Tango School of Dance presents its weekly Short Sequences and Practica program at the Medford Lodge of Elks. Short Sequences takes place from 7:30 to 8:15 p.m., followed by the Guided Practica from 8:30 to 11:30 p.m. Solo Exercises Carlitos Perez way make up the first 30 minutes of the Practica. Cost is $25 for the entire four-hour session, or $10 for just the three-hour Practica Chiquita. A 90-minute Beginner Tango Class also is being offered at 7:30 p.m. each Tuesday. Cost is $35 for one session, $120 for any four sessions (use the code FOURTUESDAYS for $20 off the price of four sessions); three hours of guided Practica Chiquita is included in both options. Register through the Ultimate Tango website.