A system for sharing sounds on a phone call, using a smartphone having a touchscreen display, having a sound library containing a plurality of sounds, and having an app for facilitating the sound sharing functionality, and for initiating a phone call. The app includes a pad controller view which displays a plurality of pads that may each be associated with one of the sounds in the library and will play that sound upon request. The app includes means for associating the sounds with the pads, for editing the sounds associated with the pads, and for adjusting the relative volume of sounds associated with the pads with a mix that may be provided as outgoing audio on the phone call.