In Switzerland they conducted a study where 1200 children in more than 50 classes proved scientifically that playing music does improve a child's reading and verbal skills through improving concentration, memory and self expression. The control group who replaced three curriculum classes (math, science, language) for 3 music classes per week were found to improve their speech and reading skills with greater ease compared to other students.
For more examples on this topic checkout the Kidspot article.
David J. Hart
The G4 GUITAR METHOD.
For a structured proven method of learning guitar visit www.g4guitarmethod.com