music compostion

I must compose a piece for four voices (SATB) and this must be in the chorale style of JS Bach (no retrogressions) My composition must -be a minimum of 12 bars -quarter-note harmonic rhythm in common time or 3/4 -not be in the key of C -include at least four first inversion triads (two different RN) -include at least two different six-four chord types -include at least four different seventh chords, two must be inverted -include at least six non-chord tones (four different types, appropriate rhythms) -include three different cadences ( fermatas OK); end with PAC My complete composition will include: 1) A neat score (each beat of each measure lines up with straight edges, or use a notational software program such as noteflight) 2) A complete harmonic analysis a. Label every chord with a roman numeral (with inversion symbols) b. Circle and label all non-chord tones c. Label all cadences