I could play with this for ever.

[HomicidalBarber]

http://www.sr.se/P1/src/sing/index.htm?key=S1COMWWT#

you type in something and it puts it to music. What it does is it takes words out of other songs and then just joins them together. Pretty simple but you can make it say some funny stuff.

[Mr. Cool]

sweet . I love those kind of things, that makes songs for you.

[bicostp]

For me the popup window with the player is way too narrow. Still fun, though.