Purple Martin Daytime Chatter Attraction Tool Cd Best Daytime Martin Attraction Tool on the market! Use this Cornell Labs recording of over 30 actual Purple Martins chirps and gurgles. Recreates the sound of a thriving colony to help attract martins to your site. Fun to listen to during the long winter months when your martins have gone to Brazil. Best to use in conjunction with the Dawnsong (play the Dawnsong early in the moring and Chatter througout the day)