If I practiced 3 hours a day this summer . . .?

Question by J.: If I practiced 3 hours a day this summer . . .?
Do you think I could get decent enough to play piano/keyboards in the band I'm in. Right now I'm rhythm guitarist, but our drummer really wants to play guitar on some songs so I'd jut play piano on those. I had about 3 months lessons at a conservatory, can read music (not well, mostly just read to learn melodies and key signatures, can't really sight read and forget bass clef.

Our style is rock/progressive rock/funk/ anything

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