3 Percussionists-Anna Thorvaldsdottir's - aura - was composed in 2011 and is arranged for 3 percussionists. Duration approximately: 6 minutes. Instrumentation includes: Station I Bassdrum 2 almglocken (C and Db) Station II Tam-tam 4 bells Station I Bass drum 2 almglocken (F and Gb) Shared Instrument 1vibraphone reachable from all three stations