'practice, practice, practice'

Some people can't believe that with the guitar, I have made a commitment to mediocrity. I am willing to be a good sport once in a while and keep the congregation together, but I'm not going to really work on the guitar.

If I'm going to practice, practice, practice, it will be on something I actually enjoy.
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Commander, yes Ash Grove and Llyn Onn are the same tune. I have a friend who travels to Welsh Heritage Week and has a Welsh triple harp. Through her, my group of friends has developed an interest in Welsh music.

Of course, this tune is so famous that one doesn't have to be Welsh to know it.