OK I am somewhat new to a guitar no lesson but im picking it up very well i want to know 2 things ok say i am playin a C-F-Am-G Progression in the rythym i would be in the key of C correct well how would i make solo over that would I use the C major scale and since the rythym guitar doesnt stay on the same chord obviously or it would be lame would i change scales with the chord or stay in C major and the second is how do i develop a solo out of a scale when i try i find myself going up n down the scale and its lame i just need some help over here please thankz