E 'can have a number of songs varies according to the length of the song:
# 16 songs of 24 sec. one
# 8 songs of 48 sec. one
# 4 songs of 1.30 sec. one
# 2 songs of 3.10 minutes each
# 1 song over 6 minutes
These songs is very long it can reproduce even the most complex phases of courtship.
For meorie special request of the player in the order the songs you want to include.