Answers: sd2 is a sandisk ultra II card. it's a storage device.
mp3 and wav are audio report formats.
i regard you show how do you share or offer someone music? you freshly hit put aside and you're done.
The residence u want is "upload", as its coming from your computer. You can upload doesn`t matter what you want. For music, i'd do .mp3, .wav, .wma :)