I watched their other YouTube videos. The style guitar sounds and the sound he plays sounds to me like upgraded distorted guitar samples... Not stock sounds. They have a video about a sampling session they did.

I agree that it not ready for the retirement homes... Yet!! Give it 15 more years!!
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~Johnathan
"The Shueys"
www.shueymusic.com
Yamaha Genos - RCF M20x - RCF HD10A (Stereo) - Jupiter Pocket Trumpet - Sennheiser e935 - Neumann KMS-104 plus-N