Not just any practice works... https://youtu.be/b3OXT0S6xWA?t=1m14s
Do it yourself...and be confused forever
http://youtu.be/ThJmDE6fA9c?t=14s
Just need 2 things to learn https://youtu.be/1As8_P1JyF8?t=14s
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^Ex.1/ 00:14 solo 1
Ex.2/ 04:42 solo 2
Ex.3/ 01:42 topic
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Renewing some didactic videos
https://youtu.be/Sj52wltoLXo?t=1s