The Swiss group, headed by composer and electric harpist Vollenweider, is best selling in Europe. This is a decent achievement for drummer Walter Keiser and percussionist Pedro Haldemann. TO READ THE FULL STORY: Subscribe NowLOG IN Read this article +get instant access TO 45 YEARSof Modern Drummer issues WITH A DIGITAL SUBSCRIPTION for just $4.99 month with no contract! Love the printed mag? Click here.