1609—Rome, Italy

Guido Reni’s Gloria d’angeli, a fresco located in S. Gregorio Magno, Cappella di S. Silvia, includes 2 trombones (see preparatory sketch, detail and full image, below; click on picture to expand; images public domain) (Cavalli, pl. 28 and 32; Pepper, pl. 30). The sketch is located in Milano, Civiche Raccolte Grafiche e Fotografiche del Castello Sforzesco. Gabinetto dei Disegni. A drawing pictured above (see 1600s—Southern Netherlands) is clearly either another preparatory sketch or a copy of Reni’s painting.