I'm actually my own band :) I sequence music to accompany myself, usually with me playing an acoustic instrument and singing for the final mix.
I only play live - I've never played dead :)
I enjoy a wide variety of music, and particularly enjoy acoustic music. That said, you can have a lot of fun with electronics, too.
I use Garritan Personal Orchestra for some of the sequenced instrument sounds. I also use a number of soundfonts for those, too. For my acoustic work, I use Taylor and Lowden guitars. I have a cheap mandocello that I "play at" and is a lot of fun for the different timbre and versatility. I also have some homemade instruments that I use: hammered dulcimer, bowed psaltery, and bodhran. Pennywhistles are Howard (low D), Dixon High D, and assorted less expensive Walton, Generation, and Susato whistles. For my basses, I use a Rogue 5-Pro (fretted) which I built a new body for (mahogany and flamed purpleheart - yummy!) and a Rogue viola which I defretted and added an LR Baggs Element pickup to, making a really versatile bass stable with just two instruments.
I use Notation Composer (www.notation.com) for putting together my music. I can use it to sequence the parts I can't play, and to work up the printed parts for those I do play acoustically. It totally rocks! You can check out the features of Composer at http://www.notation.com/NotationComposer.php. Use it to check out the sheet music for some of my songs on the Notation Users Community Forum at http://www.notation.com/Forum.htm. You can also use it to view and play the sheet music for any midi file. You can use it to create your own music files like I've done. Check it out at http://www.notation.com/Download.php for a free 30 day trial download.