Impossible to offer much advice with nearly zero detail about the setup
What keyboard and how is it connected? Is it configured in the Midi Studio setup window? Is your friend recording to a stereo instrument track, or using separate tracks for midi?(for most VI recording, inserting the VI plugin in the top insert on a stereo instrument track is the simplest and desirable way). Read the Help Us Help You thread(near the top of this and every DUC page) and come back with info as described there. Its not possible to include too much detail