Monk To Bach is a music listening room and jazz bar in Gangnam, Seoul, playing classical and jazz with requests taken from the audience. Requests are written on Post-it notes, and the owner finds the CD or LP to play. It opens at 7 p.m. on weekdays, and a classical listening session runs from 3:30 to 6 p.m. on Saturdays, with just under 20,000 records. It is not comfortable for groups talking loudly.