- Sunday, Jun 14, 2002 Listener Initiative Our listeners are invited to share their seasonal observances on our new toll-free number, 1-877-PULSE99. more... All May Stories All April Stories Archives Listener Initiative Our long-awaited CD is now available: Pulse of the Planet: Extraordinary Sounds From the Natural World CD A collection of truly amazing sounds that will take you on a journey -- ...www.pulseplanet.com