Hard, Ain't it Hard! Three Score and Ten Rolling In My Sweet Baby's Arms Little Maggie Darling Corey Long Black Veil May the Circle Be Unbroken So Long, It's Been Good to Know You A Capital Ship for an Ocean Trip Follow the Drinking Gourd Kisses Sweeter Than Wine The Girl with the Nut-Brown Hair The Moonshiner Copper Kettle
These are all well known and will probably get young and old singing along, provide a varied tempo and cover a range of origins. Just as a sorta startin' up list.