c. 1585
A painting attributed to Paolo Fiammingo (Pauwels Franck) features what appears to be a trombone among a group of 4 wind musicians playing from a balcony or loft (see detail and full image below; public domain).
A painting attributed to Paolo Fiammingo (Pauwels Franck) features what appears to be a trombone among a group of 4 wind musicians playing from a balcony or loft (see detail and full image below; public domain).