It’s no secret that music sales comprised of physical media (i.e. CDs) are down in the face of huge competition from iTunes and other digital distribution channels.  At the same time, no one ever said the record labels would give up on physical sales easily.  Today SanDisk, along with the four major record labels (Warner Bros., EMI, Sony BMG and Universal Music Group) have announced a new format: slotMusic. slotMusic is essentially a microSD card with an album on it, and the partners plan to roll it