I noticed most of our and other vibe demos have generally used softer mallets that often don\'t speak well in the upper register of the instrument. Here is a harder mallet. I think it works well here. Probably closer to a choice a live player would make. Just experimenting.

<a href=\"http://www.dssoundware.com/sounds/newmarvibes/claire_marimba_vibes.mp3\">Vibes
and Marimba</a>