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![Rock Discipline [DVD] Review: It is unfortunate that some of the sections didn't go into... | John Petrucci | compact discs | Reviews @ Ultimate-Guitar.Com Ultimate Guitar Rock Discipline [DVD] Review: It is unfortunate that some of the sections didn't go into... | John Petrucci | compact discs | Reviews @ Ultimate-Guitar.Com Ultimate Guitar](https://www.ultimate-guitar.com/static/article/album/7/10337_0_ver1709478438.jpg)
Rock Discipline [DVD] Review: It is unfortunate that some of the sections didn't go into... | John Petrucci | compact discs | Reviews @ Ultimate-Guitar.Com Ultimate Guitar
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