How many types of Rasgueado are there?
There are several types of rasgueado, but the two main divisions are those that employ the forearm and thumb in conjunction and those that incorporate only the fingers. Of course, both approaches can be combined to allow for the use of all digits on the hand.
How long does it take to learn Rasgueado?
If you start older, it will take 5 to 10 years to get a few rasgueos under your fingers sounding decent and you will always improve as time goes by.