A workshop on wearable technology and sound experimentation. The aim of the workshop is to create a shirt capable of capturing and transmitting your heartbeat though the use of analog electronics. The aim of the workshop is to create a shirt capable of capturing and transmitting your heartbeat though the use of analog electronics. The workshop consists on building an amplifier circuit on fabric and incorporating a piezo element to capture the heartbeat and an embroidered speaker-coil and a magnet to be able to listen to it.