The chromatic abilities of recently developed brass instruments, however, opened new possibilities for composers of the Romantic era, and fit with the artistic currents of the time.
In 1979, the neo-traditional art music composer and founder of the Pan African Orchestra of Ghana, Nana Danso Abiam (b. 1953) introduced chromaticism and atonality in atenteben music with a new fingering mechanism that he had developed at the Institute of African Studies, University of Ghana, Legon.