1/15/70 issue. Review in that week's "Riffs" column.
1/29/70 issue. Review in that week's "Riffs" column: "The teenyboppers who used to crowd the windows of the Night Owl have all grown up and changed. Sebastian is aware of this. His music is much less raunchy than it was five years ago." His brother Mark was apparently appearing at the Gaslight during this same week, but the Gaslight ads list Patrick Sky, Bryan Bower, and Dave Van Ronk.