Intervals (was Mastery (Learning by Ear))

["Keith Freeman" <keith.freeman@xxxxxxxxxx>]

Richard,

> Do you think 
> of it as a flat 6th (from B to G)?  Or since the interval is
> downward in pitch, do you think of it as a 3rd in reverse 
> (from G to B in reverse)?
There are only two kinds of sixths, major and minor.

The interval 
 B
 G
is a major third, whether you play it upwards or downwards. If you invert it to 
 G
 B
it becomes a minor sixth. 

The minor third becomes a major sixth, e.g.
 B
 G#
becomes
 G#
 B.

Hth,
- -Keith