I just added the below heading and video to the Trombone History Timeline. Among the pieces listed is one of the oldest original trombone quartets. The video features that quartet, with terrific playing on period instruments. Enjoy!

1629—Nuremberg, Germany: Numerous works from Biagio Marini’s instrumental collection, Sonate, sinfonie, canzoni, passemezzi…, specify trombone: Sonata octava (2 bassoons or bass trombones, bass continuo), Sonata nona (2 bassoons or bass trombones, continuo), Sinfonia terza (2 cornetts, trombone, basso continuo), Sinfonia quarta (2 cornetts, trombone, basso continuo), Canzon terza a 4 (4 trombones or violas), Canzone quarta a 4 (2 violins or cornetts, 2 trombones ad lib, basso continuo), Canzone sesta a 4 (2 cornetts, 2 trombones ad lib, basso continuo), Canzon septima (2 cornetts, basso ad lib, 3 trombones), Canzon octava (2 violins, 4 trombones), Canzon nona (2 violins, viola, 3 trombones), Canzone decima a 6 (2 violins or cornetts, 4 violas or trombones, basso continuo), and Sonata per l’Organo (violin or cornett, trombone ad lib, organ) (Collver 60; Selfridge-Field, Instrumentation; Winkler 301).