1a) week #1: write some phrases that rhyme(at least 2 sets of 4). Rhyme
    scheme can be AABB or ABAB or ABCB  Speak them in a normal conversational flow.
b) Record that.
c) Then put a melody (with chords) to it. Record that

2a) week #2 - write a melody with chords for a verse/chorus.
b) Record it (piano and da da voice).
c) Then put lyrics to it that conversationally match the scansion and...
d) record that.