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12 2 23 12 2 0 1 0 ok this guy does know there are only 7 positions on a euph. right
It depends on the instrument.
john sarray
There are 12 major scales, not 7.
It's important to learn because chords are the backbone of playing guitar, and all guitar chord fingerings are related to the 5 chords referenced in the CAGED method. Additionally, the 5 main scale fingerings are based from these same chords. Learning the barre chords that come from CAGED chords, along with their major scales and/or pentatonic scales allows the guitar student to play melodies and chords all the way up the neck, in any key.
No, songs can have major scales, minor scales, whole tone scales, etc.
Major scales generally sound happier
Minor scales have flats and major scales have sharps.
Tuba major scales refer to circle of fourths where G major is concert G.
If you mean music scales, you need to be more specific, there are all sorts of scales - A m(inor), E flat (major),D (major)...
There are thousands of different scales worldwide, so really no one knows, but when talking of major scales, there are twelve (three of which go be two names).The major scales are (in chromatic order):C major, C♯/Db major, D major, Eb major, E major, F major, F♯/Gb major, G major, Ab major, A major, Bb major, and finally B/Cb major.The scales which are italicised are the 'enharmonic equivelent' scales, meaning that they are one scale going by two different names. C♯ and Db are the same key on the piano, so are F♯/Gb and B/Cb.
The same scales as any instrument, all instruments play all scales. In western music - major scales, minor scales and modes are the main ones, but there are more.