by discopex on 28 Dec 2017, 18:02
It uses the phone microphone to listen to a music source (which cannot be the very same phone). If it doesn't recognize the music there must be something wrong with the audio input setting in the phone.
Thinkpad X240, 8 Gb / 512Gb SSD
running Cross 3.4.3 64-bit
Allen & Heath K2, Pioneer DJM-450