But again, if this were the level where the OP were able to be discussing the finer points of Manzai comedy, then they could just watch Kansai Manzai and/or watch Osaka television shows and pick up the dialect no problem. If someone wants to learn Japanese, then they should probably stick to hyojungo due to it being understood across Japan, or the local dialect of the place they're living.
It's like trying to learn how to mimic a cockney accent before being able to master the intricacies of SVO sentences...