Listen to Rag Rog (for 4 Trumpets) online. Rag Rog (for 4 Trumpets) is an English language song and is sung by Friedemann Immer, Klaus H. Osterloh, Jaroslav Roucek, Thibaud Robinne, Frithjof Koch and Matthias Nagel. Rag Rog (for 4 Trumpets), from the album Baroque In Blue - A Crossover Between Early Music & Jazz, was released in the year 2008. The duration of the song is 4:45. Download English songs online from JioSaavn.