In summer (May-October), the performance time is 19: -21: 2

4 songs will be played from 19: to 19: 2

3 songs will be played from 19: 3 to 19: 45

2: -2: . -play about 4 songs at 21: 2

in winter (November-April), the performance time is 18: -2

play about 4 songs at 18: -18: 2

play about 3 songs at 18: 3-18: 45

19: .