Listen to Concerto No. 1 in A Major for Guitar and Strings, Op. 30: I. Allegro maestoso online. Concerto No. 1 in A Major for Guitar and Strings, Op. 30: I. Allegro maestoso is an Instrumental language song and is sung by Chamber Orchestra of the Vienna Festspiele, Wilfried Boettcher and Karl Scheit. Concerto No. 1 in A Major for Guitar and Strings, Op. 30: I. Allegro maestoso, from the album The Menuetto Lounge: 111 Relaxing Masterpieces, was released in the year 2010. The duration of the song is 11:43. Download Instrumental songs online from JioSaavn.