While visiting "El Hormiguero," Depp was introduced to a Spanish guitar used mainly in classical music. Johnny seemed very impressed with the wooden musical instrument and improvised a few cords.

His latest album, "Double Guitar Concertos," showcases works by renowned Spanish composers. In addition to his active concert schedule, Trápaga is a professor at the Royal Conservatory of Music ...

Or, at least, that's how the theory goes: the only real proof for this is the similarities between the Greek word and the Spanish word ... Performers often use guitar tabs, rather than sheet music, ...