The classical music and opera season lasts March–November but peaks in winter, June–August. For nearly a century, the premier venue has been the Teatro Colón  (Libertad 621, tel./fax 011/4378-7344, www.teatrocolon.org.ar ).
Other options include the Microcentro ’s Teatro Opera (Avenida Corrientes 860, tel. 011/4326-1335), which seats 2,500 spectators; Monserrat ’s Teatro Avenida (Avenida de Mayo 1212, tel. 011/4381-0662, www.balirica.org.ar ), which has handled the opera during the Colón’s closure; and Retiro ’s Teatro Coliseo (Marcelo T. de Alvear 1125, tel. 011/4816-5943).
La Scala de San Telmo (Pasaje Giuffra 371, tel. 011/4362-1187, www.lascala.com.ar ) is an intimate high-culture performing arts venue focused on theater and classical music, plus occasional folkloric indulgences.