Making it easier to move between instruments in certain families of instruments[edit]
Many instruments are members of a family of instruments that differ mainly in size, such as the saxophone, clarinet, flute, etc. The instruments in these families have differing ranges, with the members sounding lower as they get larger; but an identical pattern of fingerings on two instruments in the same family produces pitches a fixed interval apart. For example, the fingerings which produce the notes of a C major scale on a flute, a non-transposing instrument, produce a G major scale on an alto flute. As a result these instruments' parts are notated so that the written notes are fingered the same way on each instrument, making it easier for a single instrumentalist to play several instruments in the same family. However, a few instrument families, such as trombones and tubas, are not written transposed,[1] and recorders are either untransposed or in some cases transposed at the octave.
Instruments that transpose this way are often referred to as being in a certain "key", such as the "A clarinet" or "clarinet in A". The instrument's key tells which pitch will sound when the player plays a note written as C. A player of a B♭ clarinet who reads a written C will sound a B♭ while the player of an A clarinet will read the same note and sound an A.
Making it easier to move between instruments in certain families of instruments[edit]
Many instruments are members of a family of instruments that differ mainly in size, such as the saxophone, clarinet, flute, etc. The instruments in these families have differing ranges, with the members sounding lower as they get larger; but an identical pattern of fingerings on two instruments in the same family produces pitches a fixed interval apart. For example, the fingerings which produce the notes of a C major scale on a flute, a non-transposing instrument, produce a G major scale on an alto flute. As a result these instruments' parts are notated so that the written notes are fingered the same way on each instrument, making it easier for a single instrumentalist to play several instruments in the same family. However, a few instrument families, such as trombones and tubas, are not written transposed,[1] and recorders are either untransposed or in some cases transposed at the octave.
Instruments that transpose this way are often referred to as being in a certain "key", such as the "A clarinet" or "clarinet in A". The instrument's key tells which pitch will sound when the player plays a note written as C. A player of a B♭ clarinet who reads a written C will sound a B♭ while the player of an A clarinet will read the same note and sound an A.
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