A painter and a composer in Auvergne in the nineteenth One was born in Vertaizon, the other in Clermont-Ferrand, both lived in Paris, but life led them on different paths. While Marilhat turned south (Provence, Italy, the East), Onslow made his way north and east (England, Germany). They have in common their Auvergne roots which were a common thread of their artistic commitment, but in what way? This is what Jean-Marie Chauvin and Baudime Jam will tell us.