concertante

 
Pronunciation: /ˌkɒntʃəˈtanteɪ, -ˈtanti/

adjective

  • 1denoting a piece of music containing one or more solo parts, typically of less prominence than in a concerto: he wrote several concertante worksSee also sinfonia concertante.
  • 2denoting prominent instrumental parts present throughout a piece of music, especially in baroque and early classical compositions: the cantata has a fine violin concertante part

Origin:

Italian, 'harmonizing', from concertare 'harmonize'