file format for mixes for liquid sky radio

if you produce mixes / program for liquid sky radio -
here is the format we need the music in:

320 kbitsec mp3 stereo 
30 minutes snippets
Named like
LSR_artist_mixname_part1 (/ 2 / 3 ...)
And _EXCL behind it when the mix / recording is exclusively available on liquid sky radio

pls send the files via dropbox or wetransfer to [email protected]  subject: LSR

thank uuuuuuuuuuuuuuuuuuuuuuuuuu!!!!!!  <3