Screaming Penguin - Source Does Matter

Dont get me started on how in the hell ringtones ever became a for profit business - but aside from that tangent a new ringtone from TMBG is apparently quite funny (and/or depending on your perspective quite disturbing). You can buy it, or download the MP3 for free and make your own "ringtone".

TMBG ringtone: "Call connected through the NSA"