Digital music and portable digital music players have transformed our listening experience. Now a well-known company called SanDisk is offering a new twist to purchasing and listening to digital music. Their slotMusic Player plays microSD cards which you can fill yourself or you can purchase with DRM-free albums pre-loaded. It is a unique idea that combines the old-fashioned "buying a record or CD" with the new iPod-like way of listening to music. We took a look at the slotMusic Player and slotMusic cards to check out the pros and cons of this new way of packaging and listening to digital music.