I just worked myself through all the chapters of the AB Guide to Music Theory and now have a question about something, which misses a propper explanation.
Both 3/4 and 6/8 have six quavers in a bar, but they are not the same thing. 3/4 means three beats (crotchets) divided into twos; 6/8 means two beats (dotted crotchets) divided into threes.
At an earlier point, we learnt that the upper portion of the time signature represents, HOW MANY BEATS there are in a bar, the bottom figure shows, WHAT KIND OF NOTE represents a beat.
This, however, would mean in my understanding, that 6/8 is 6 beats per bar and the note value is a quaver. Thus, the statement confuses me a bit that it means two beats and dotted crotchets. I mean, its in the end the same, and then again, its not.
Thanks for your enlightening thoughts on the issue.