Listen to Iolanthe: Act I: Loudly let the trumpet bray! (Chorus) online. Iolanthe: Act I: Loudly let the trumpet bray! (Chorus) is an English language song and is sung by Martyn Green. Iolanthe: Act I: Loudly let the trumpet bray! (Chorus), from the album Gilbert And Sullivan (The Best Of), was released in the year 2007. The duration of the song is 5:45. Download English songs online from JioSaavn.