Music Supplement help

<p>A few of the colleges I'm applying to say I can send music supplements.</p>

<p>How many songs should I send?</p>

<p>A lot of my music is synthesized, as I don't have the greatest equipment for recording, so should I focus more on stuff I've actually played or stuff I've composed?</p>

<p>My favorite of my compositions are either rock music or slightly long winded. Is a swingy rock instrumental a worse idea than a slowly developing (impossible to play without four hands) piano thing?</p>

<p>-question mark question mark!-</p>

<p>Oh, and is it obnoxious to send supplements to colleges that don't explicitly ask for them or should I discretely slip a URL to some music into the "Additional Information" section?</p>