HI. I've been reading some posts here in theory section, but I don't understand all the signs. I was wodering what are 5ths, 7ths, 9ths, 11ths, 13ths ... and those marks after them like (Bb)....
And also what is II-V-I progession???
Please help me out!!!!
There is only one god, and his name is Jimi Hendrix.