Abstract: A host computing device includes a communication subsystem for communicatively coupling the host computing device to one or more user computing devices. The host computing device includes a logic subsystem and a storage subsystem containing instructions executable by the logic subsystem to send a musical soundtrack matching graphical user interface to the one or more user computing devices. The musical soundtrack matching graphical user interface comprises a plurality of user-selectable musical arc descriptor selectors configured to receive input of a user-selected musical arc descriptor selection, wherein each of the user-selectable musical arc descriptor selectors corresponds to a different one of a plurality of musical arc characteristics. The musical soundtrack graphical user interface further includes a results region displaying one or more musical tracks that embody the user-selected musical arc descriptor selection.