Félix IBARRONDO (born 1943). Autograph musical manuscript signed, Trois Chœurs a capella, [1979-1983] ; [2]-28 sheets 27,5 x 35 cm. Three Basque choirs, a capella, for mixed choir and solo soprano, premiered on July 24, 1983 in Aix-en-Provence by the Chœur Contemporain de l'Université de Provence under the direction of Roland Hayrabedian. The work lasts 20 minutes. I Odolez (a lexicon on the title page indicates that odolez means bloody); II Zoro-dantzak ("Zoroak dantzan: Crazy people dancing"...), dedicated "to the Contemporary Choir of the University of Provence", and dated at the end "Asnières, 29-XII-80 / 20-I-81"; III Argiruntz ("towards the light"). The manuscript is carefully written in Indian ink on oblong tracing paper; on the title page of each piece, Ibarrondo has noted the words or phrases in Basque with their French translation.