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"Celebrating the Big Green Monster". premierguitar.com. Premier Guitar. Retrieved 8 February 2025. https://www.premierguitar.com/sponsored/celebrating-line-6-dl4-mkii
"Celebrating the Big Green Monster". premierguitar.com. Premier Guitar. Retrieved 8 February 2025. https://www.premierguitar.com/sponsored/celebrating-line-6-dl4-mkii