Sound of Music

"Do-Re-Mi" is a song featured in the musical The Sound of Music. Do refers to Doe, defined as the female of a deer or related animal, "a deer, a female deer."

Re refers to Ray, defined as a thin line or narrow beam of light or other radiant energy, "a drop of golden sun."
Mi refers to Me, the objective pronoun referring to the speaker, "a name I call myself."
Fa refers to Far, defined as to or at the most distant or remote point, "a long long way to run".
So refers to Sew, to work with a needle and thread or with a sewing machine, "a needle pulling thread."
La is the note that follows So, "a note to follow So."
Ti refers to Tea, an aromatic, slightly bitter beverage made by steeping tea leaves in boiling water, "a drink with jam and bread."