Gonna pack up my two-steppin’ shoes And head for the Gulf Coast plain Gonna walk the streets of my own hometown Where everybody knows my name. – Nanci Griffith, “I Wish it would Rain” I typed the above lyric from memory. Admittedly, that recollection has been made sharper during the week since Nanci Griffith passed away. I’ve been listening to her music a lot, and I produced a radio remembrance about her. But I think…