Some moving songs on the subject include:"Mother" by Tom Paxton, written from the point of view of an adoptee who goes on to be an adoptive mother herself.
"Someone Who Looks Like Me" by Mary McCaslin, which Mary (who was adopted) wrote about wanting to find her birth mother.
"Rider On An Orphan Train" by David Massengill, which David wrote from the p.o.v. of an orphan searching for his brother who was adopted by a different family.
Mike Regenstreif