Watch video footage of Kimmo Pohjonen and Sami Kuoppamäki rehearsing for "Songs of Experience" at Patti Smith's Meltdown Festival from back in 2005: https://vids.myspace.com/index.cfm?fuseaction=vids.individual&videoid=17945459
If you never thought that an accordianist could jam out on Hendrix, watch that clip and have your mind blown.