Tidal Force by Susan L. Lipson published on 2014-03-05T19:02:48Z Song written to commemorate my husband's 50th birthday. Susan Lipson, lead vocals; Lainey Lipson, harmony; Ian Lipson, guitar; Elle Lipson, cello. With slight alterations, this song would make a great milestone marking song, for a tribute to someone who makes a difference (like my husband). Genre Folk & Singer-Songwriter