John Frederick McCarthy is a musician, author, educator and creator of the Rock House Method system of learning.

John McCarthy began providing music lessons at the age of 15 and created the first complete rock guitar instruction series on video in 1986.

John designed and developed a Disney Learn Guitar method featuring the songs of Hannah Montana and High School Musical released in 2009 on DVD-ROM.

In addition to his own instructional books and programs John has worked with many of the greatest musicians in the world creating personal instruction programs featuring the Rock House Method, Alexi Laiho, Alex Skolnick, Kiko Loureiro, Jeff Loomis, Bernie Worrell, Oli Herbert, Michael Paget, Rusty Cooley, Dan Jacobs, Rob Arnold, Doug Wimbish, Leo Nocentelli and Dave Ellefson are some of the collaborating artists.

John began playing guitar at the age of 6 inspired by listening to the vast album collection of his older brother and sisters and states this as the reason he has a wide range of music genres in his vocabulary.

He stayed motivated to further his music studies learning to play Piano, drums, bass guitar, ukulele and sing.

In the same fashion as tablature John McCathy created “KEYTAB” to help piano players learn chords, progressions and complete songs quickly while getting the feel for the instrument in a positive manner.

In 2024 John McCarthy launched AmpliTeach the worlds first all-in-one platform to run all functions of a music school or any lesson based business.