Mick Box on "Salisbury" - simply the best wah-wah sound
Buck Dharma on "Then Came the Last Days of May" both studio and live ´cos the sounds are way different, both brilliant anyway
Mick Box on "The Magician´s Birthday" terrific wah-wah and so many
Buck Dharma on "Dominance and Submission" the best clean and "The Reaper" and so many
Clem Clempson on "Skelington" live terrific wah-wah work
Jimi Hendrix on "All Along the Watchtower" his finest
David Gilmour on "One of the Days"
Martin Barre on "Aqualung"
Steve Hackett on "Firth of Fifth" + all early Genesis all sublime work really, and he´s still performing old Genesis stuff (have seen and heard)
Steve Howe on "America"
Jimmy Page on "Since I've Been Loving You" and "Stairway to Heaven"
Leslie West especially when with other guitarist as heard on "Twin Peaks"
Carlos Santana so many say "Europa"
Ritchie Blackmore on "Made in Japan"
Frank Marino on "It´s Begun to Rain"
Albert Järvinen on "Roadrunner" and "High"
Bill Nelson of Be-Bop Deluxe so many just sublime work
Alex Lifeson on "La Villa Strangiato"
Michael Schenker on "Into the Arena"
Andrew Latimer on "Ice"
Joe Satriani on "Surfing with Alien" + so many
Django Reinhardt
Bela Fleck (actually his playing mandolin ; )
Al di Meola, John McLaughlin & Paco de Lucia on "Friday Night in San Francisco" the Masters at work
Rodolfo Maltese on "Moby Dick live " RIP