Here you will find video playlists with demonstrations of all the songs in these collections in at least 3 tempos to help with learning, fast and with embellishments, slower without embellishments and paused, note by note. The subscription is made in a single purchase and allows access for at least 2 years, after that, if the site remains in operation, access continues to be allowed indefinitely. Access and see the samples, after signing, being logged in you will be able to watch the whole thing whenever you need to.