The bassoon is a woodwind instrument in the double reed family that typically plays music written in the bass and tenor clefs, and occasionally the treble.
C major (or the key of C) is a major scale based on C, with the pitches C, D, E, F, G, A, and B. C major is one of the most common key signatures used in western music.
A concert aria is normally a free-standing aria or opera-like scene (scena) composed for singer and orchestra, written specifically for performance in concert rather than as part of an opera.
The French horn (since the 1930s known simply as the "horn" in some professional music circles) is a brass instrument made of tubing wrapped into a coil with a flared bell.
The Köchel-Verzeichnis or Köchelverzeichnis is a chronological catalogue of compositions by Wolfgang Amadeus Mozart, originally created by Ludwig von Köchel, in which the entries are abbreviated K. and KV.
The Mozart family grand tour was a journey through western Europe, undertaken by Leopold Mozart, his wife Anna Maria, and their musically gifted children Maria Anna (Nannerl) and Wolfgang Amadeus from 1763 to 1766.
Oboes are a family of double reed woodwind instruments.
Pietro Antonio Domenico Trapassi, better known by his pseudonym of Pietro Metastasio (3 January 1698 – 12 April 1782), was an Italian poet and librettist, considered the most important writer of opera seria libretti.
The string section is composed of bowed instruments belonging to the violin family.
Tenor is a type of classical male singing voice, whose vocal range is normally the highest male voice type, which lies between the baritone and countertenor voice types.
Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart, was a prolific and influential composer of the classical era.