Things You'll Need
Instructions
Insert your microSD card into your USB card reader, and put the card reader into one of your computer's USB ports.
Wait for the microSD folder to load up on your computer and choose to open it. Or, you can access the microSD folder through "My Computer."
Open the folder which contains the music for transferring to your R4DS. Select the files you wish to transfer and drag them from their folder into the microSD folder.
Remove the USB card reader from your computer. Remove the microSD from the card reader and insert it into the R4DS.