Over the past year, the content strategy chatter has been building. Jeffrey MacIntyre gave us its raison d'etre. Kristina Halvorson wrote the call to arms. Panels at SXSW, presentations at An Event Apart, and regional meetups continue to build the drum roll. But how do you start humming the content strategy tune to your own team and to your prospective clients? Listen up and heed Aretha Franklin. No, really.