On his first (pop) folk rock attempt If I Were A Carpenter with the emphasis on Tim Hardin & John Sebastian material. In this case with a song preseding the author's version. (see also: If I Were A Carpenter). Ode to heroin, which was sold in latex balloons.
Much ado about Darin's use of Hardin's demo's: even his production seemed a blueprint of Tim Hardin's orchestration. For Dave Clark Five's Red Balloon, see: Callow La Vida.