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	Evgenia-Mariа Popova (violin) Krzysztof Penderecki - Chacon memory of John Paul II, for chamber orchestra (2005) Evgenia-Mariа Popova (violin), Dimitar Penkov (viola) Recorded: January 2013, Hannover. (3) Wolfgang Amadeus Mozart - Duo for Violin and Viola in G-dur (1783), KV423 Evgenia-Mariа Popova (violin), Dimitar Penkov (viola) Recorded: January 2013, Hannover. (0) Bohuslav Martinu - Three Madrigals for Violin and Viola, H.313 Evgenia-Mariа Popova (violin), Dimitar Penkov (viola) Recorded: January 2013, Hannover. (2) Wolfgang Amadeus Mozart - Duo for Violin and Viola in B-dur (1783), KV424 Evgenia-Mariа Popova (violin), Dimitar Penkov (viola) Recorded: January 2013, Hannover. (0) Ludwig Spohr - Duet for Violin and Viola in e-moll, op. 13 Evgenia-Mariа Popova (violin), Dimitar Penkov (viola) Recorded: January 2013, Hannover. (0)