a bass block 202 b to play at the second bar 304 b concurrently with the second block 202 a a accompaniment block 202 c has been selected for the third bar 304 c to play immediately after the concurrent block 202 a and bass block 202 b cease to play the user can continue to add or delete music blocks 202 or modify the placement of existing music blocks 202 on the tracks 302 until the user is satisfied with the polyphonic audio signal in the finished polyphonic audio signal as shown in fig3 c the user has selected a plurality of music blocks 202 some one bar long others two bars long the user can also create a bar 304 k that does not play any music the user may scroll through the entire polyphonic audio signal to ensure correctness and make any modifications once the polyphonic audio signal has been created or edited the user may save the audio signal then the user may select the customized audio signal as the default setting for alerts such as an incoming call the polyphonic audio signal may also be transmitted to another device via the internet bluetooth protocols or other similar means of transmission now with reference to fig4 a method 400 for creating a polyphonic audio signal according to the preferred embodiment of the present invention will be described a user can browse through a variety of music blocks 202 and listen to each music block 202 until a particular music block 202 of interest is discovered the user at step 402 selects the music block of interest the particular music block 202 is selected with the navigation tool 50 for example a joystick or mouse when the button on the joystick or the.