Abstract: Computing devices and methods for providing a music customization graphical user interface (GUI) to a user computing device are disclosed. The music customization GUI comprises song name selectors that each correspond to a different song and a music player region that includes a song customization selector. A customization window comprises music stem indicators that each correspond to at least one music stem of a selected song. The customization window also comprises mixing buttons that include a first mixing button configured to add a corresponding music stem to a user song mix, and a second mixing button configured to remove the music stem from the user song mix. A download button is configured to download a file comprising the user song mix to a user computing device.

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.