To use CUBE JAM select "OK" when the "CUBE JAM Would Like to Access the Microphone" pop-up message appears when you first launch the App. In case you select "Don't Allow", setting can be changed from [Settings] -> [Privacy] -> [Microphone] -> [CUBE JAM]. * * * * * * * * CUBE JAM app turns your iOS device into a fun command center for jamming, recording, and learning. Play back commercial songs and minus-one tracks through the CUBE guitar amplifier and riff along for hours. CUBE JAM also records audio through audio interface, allowing you to easily capture your jams. After you're done recording, you can adjust the volume of your play or vocal and backing music independently, then export your mix to a 16-bit, 44.1 kHz WAV file. The app also includes great tools for music practice, including independent speed and pitch adjustment of audio playback, Center Cancel to remove solos and create your own jam tracks. * Songs with DRM (Digital Rights Management) cannot be loaded. Songs upgraded to iTunes Plus can be loaded. * The Apple Lightning to 3.5mm Headphone Jack Adapter is required for iOS devices which are not equipped with a 3.5-mm headphone jack.