Here's the NEW INVISIBLE STEREO! THERE IS NO MUSIC ON THIS PRODUCT.Great derivation price!(so you can earn more from your sales) Do not buy it but only DERIVE from it if you're a DEVELOPER. ADD A NEW SOUND : Open the previewer ,click on " ACTIONS" and on " ADD ACTION " ,(don't click on add ensemble,you don't need that )then browse a song from you pc,it must be in OGG format 1) remember the file size limit for a product is 2mb so pay attention to that.. you can see that on C :/programs/imvu tools /examples/" your file" 2)convert the file from mp3 to ogg (you can use “DB power amp music converter” search for it on internet..it’s free) put a lower bitrate but please keep the frequency to 44.100 (for a good sound quality) don’t try to put more then 2 /3 songs per product (at least about 6.30/ 7 min.. maximum..but depends of the files) 3) Rename the song with a short name and put a short trigger word on the previewer and... Apply changes ,save you work and here's your new Stereo ready to play:-) REMEMBER : do not put copyrighted music but :Classical music ,royalty free music,chat sounds effects or your nice voice singing in the shower it's good lol HAVE FUN! CIAO:)