The 10-string classical guitar has 4 extra basses tuned to A=10 an octave lower than the 5th string, B=9, C=8 and D=7. I play it without nails, I hope you like, greetings Ramón.

Nothing Else Matters by Metallica performed by Ramón León Egea on 10-string guitar

I play it without nails, greetings from Spain, Ramón.

Romance Anónimo - Ramón León Egea

I play it without nails. For this Beatles song the tuning of the basses is A and D. I hope you like it, greetings Ramón.

Norwegian Wood by The Beatles 8-string guitar Ramón León Egea

I play with the fingers without nails. I hope you like it, greetings from Spain, Ramón.

Stairway to Heaven by Led Zeppelin - Classical Guitar Cover by Ramón León Egea

I tune the seventh string to B, which allows me to play D using my left hand fingers.

Yesterday - The Beatles 7-String Guitar Ramón León Egea

This piece is from Eduard Bayer´s Guitarreschule. He played an 8-string pedal-guitar by Johann Knaffl-Lenz. The foot pedals enabled one to move a capotasto along the fingerboard to play in any key.

Este pieza es de la Guitarreschule de Bayer. Él tocaba una guitarra de pedales de 8 cuerdas de Johann Knaffl-Lenz. Los pedales permitían mover un capotasto a lo largo del diapasón para tocar en cualquier tonalidad.

Étude by Bayer for Guitar with 3 Contra-Saiten (10-String Guitar)

This study is from Eduard Bayer's method, where there are 2 pieces for contra-guitar with 3 and 4 strings. He explains that the tuning is A B C D, the rest of the method is for regular guitar.

Este estudio es del método de Eduard Bayer, donde hay 2 piezas para contra-guitarra con 3 y 4 cuerdas. Él explica que la afinación es La Si Do Re, el resto del método es para guitarra normal.

Étude by Bayer for Guitar with 4 Contra-Saiten (10-String Gutiar)

I leave you the 10 string score, it can be played on 6 string guitar in standard tuning and also in drop D, you can see in the scores below.

Ode to Joy by Beethoven 10-string guitar Ramón León Egea

This is from the Sor-Coste method, in the appendix about the 7-string guitar. My tuning is G B C D E A D G B E.

Esto es del método de Sor-Coste, en el apéndice sobre la guitarra de 7 cuerdas. Mi afinación es Sol Si Do Re Mi La Re Sol Si Mi.