I think it'd be a nice thing to have,so where would a guitarist whose spent a year playing blues rock start learning how to do basic sweeps?
Have you got a teacher? They could help, but it's not essential. Maybe search Google and Youtube for some lessons on it, that would be another idea.
Cam Sampbell's my hero
Just use youtube. thats how i learned, it may seem difficult at first but trust me just practice and youll get it.
To deny our own impulses, is to deny the very thing that makes us human.