Turn the following ideas into a sheet-music ready MIDI file ...

Prompt

Turn the following ideas into a sheet-music ready MIDI file with complete, complex, professional melodic lines and human-sounding composition. Do not actually create a MIDI file, just write a Python script that creates the MIDI file using your writing. Here are the ideas: ## Overall plan Here’s an original **64-bar progression in four connected mini-movements**. The emotional character comes from repeating pop-ballad harmony, descending bass lines, and delayed resolutions—not complicated chords. - **Instrumentation:** soprano, alto, tenor, baritone saxophone - **Concert key:** D minor, with a brighter F-major-centered third movement - **Meter:** 4/4 - **Tempo:** ♩ = 72 - **Duration:** approximately **3:33**, or **3:40 with a short final rallentando and fermata** - **Play the movements attacca**, without substantial pauses. **Everything below is in concert pitch.** The written keys will be E minor for soprano/tenor and B minor for alto/baritone. ### Reading the progressions - Each space between vertical lines is one measure. - One chord lasts the entire measure. - **“Csus4 → C”** means two beats on each chord. - Numbers in parentheses indicate beats where the harmonic rhythm is faster. --- ## I. Held Breath — bars 1–16 **Quiet, restrained, almost afraid to become emotional.** Begin around **p**, growing to **mp**. Keep the accompanying voices mostly on whole notes; introduce a short, falling melodic idea in the soprano. ```text 1–4 | Dm | Bb | F/A | Csus4 → C | 5–8 | Dm | Bb | F | C/E | 9–12 | Gm | Bb | F/A | C | 13–16 | Bb | Gm | Dm/A | Asus4 → A | ``` The opening bass motion **D–Bb–A–C** gives the familiar pop loop a little more vulnerability. In bars 15–16, hold the bass on A: the harmony changes above it, creating tension without adding complexity. Let the **D in Asus4 resolve to C#** clearly. That small movement should feel important. --- ## II. The Ache Grows — bars 17–32 **The same emotional world, but now with a pulse.** Move from **mp to mf**. Give the inner accompanying parts occasional half-note repetitions rather than making every voice more active. ```text 17–20 | Dm | Bb | F | C | 21–24 | Dm | Bb | F/A | Csus4 → C | 25–28 | Gm | Bb | Dm | C | 29–32 | Bb | Gm | Asus4 → A | Dm | ``` Keep the melodic material recognizable from Movement I. A slightly higher register and a stronger repetition of the same idea will sound more like a pop-ballad build than introducing lots of new material. Bar 32 provides the first clear arrival on D minor before the brighter third movement. --- ## III. The Break — bars 33–48 **The full emotional chorus.** Begin broadly at **mf**, reaching **f**, but keep the sound round rather than aggressive. ```text 33–36 | F | C/E | Dm | Bb | 37–40 | F/A | C | Dm | Bb | 41–44 | Gm | Bb | F/A | C | 45–48 | Bb(2) C(1) Dm(1) | Gm → Bb | Dm/A | Asus4 → A | ``` The opening **F–C/E–Dm** gives you a descending bass line while the upper melody can rise—an effective emotional contrast. ### The moving cadence: bars 45–48 Bar 45 is the main burst of quarter-note harmonic movement: - **Beats 1–2:** Bb - **Beat 3:** C - **Beat 4:** Dm Then broaden into half notes in bar 46 and sustained dominant tension in bars 47–48. A literal four-voice realization of bar 45 could be: | Part | Bb — half note | C — quarter note | Dm — quarter note | |---|---:|---:|---:| | Soprano | D5 | E5 | F5 | | Alto | F4 | G4 | A4 | | Tenor | Bb3 | C4 | D4 | | Baritone | Bb2 | C3 | D3 | This produces a strong, rising pop-ballad lift using only complete triads. --- ## IV. Four Goodbyes — bars 49–64 Pull back to **mp**. Each saxophone now gets a **four-bar featured melody**, supported by the other three. These should feel like four versions of the same confession—not jazz improvisation. ```text 49–52 | Dm | Bb | F | C | Soprano solo 53–56 | Dm | Bb | F | C | Alto solo 57–60 | Gm | Bb | F/A | Asus4 → A | Tenor solo 61–64 | Dm | Bb | Asus4 → A | Dm(add9) | Baritone solo ``` The repeated harmony underneath the first two solos helps unify the movement. The tenor then introduces the dominant tension, and the baritone delivers the final resolution. ### Suggested solo melodies These are simple, related phrases you can use directly or adapt to your main theme. **Concert pitches; C4 = middle C.** `q = quarter note`, `h = half note`, `dh = dotted half note`, `w = whole note`. #### Soprano — bars 49–52 ```text 49: D5(h) A4(q) G4(q) 50: F4(h) D4(q) F4(q) 51: A4(h) G4(q) F4(q) 52: E4(h) G4(q) rest(q) ``` #### Alto — bars 53–56 ```text 53: F4(h) A4(q) G4(q) 54: F4(h) D4(q) F4(q) 55: A4(h) G4(q) F4(q) 56: E4(dh) rest(q) ``` #### Tenor — bars 57–60 ```text 57: D4(h) Bb3(q) A3(q) 58: Bb3(h) D4(q) F4(q) 59: C4(h) A3(q) C4(q) 60: D4(h) C#4(q) rest(q) ``` #### Baritone — bars 61–64 ```text 61: F3(q) A3(q) D4(h) 62: F3(q) Bb3(q) D4(h) 63: D4(h) C#4(q) A3(q) 64: D3(w), with fermata ``` The baritone rises into its singing register, then falls to the final low D. That return to the foundation should feel like the piece finally letting go. --- ## Making the harmony work with only four voices ### 1. Use complete triads, not thick chord symbols Here is a practical opening voicing. Notice how little the upper parts need to move: | Bar/chord | Soprano | Alto | Tenor | Baritone | |---|---:|---:|---:|---:| | 1 — Dm | F4 | D4 | A3 | D3 | | 2 — Bb | F4 | D4 | Bb3 | Bb2 | | 3 — F/A | F4 | C4 | A3 | A2 | | 4 — Csus4 → C | F4 → E4 | C4 | G3 | C3 | The richness comes from **spacing, sustained common tones, and smooth movement**, rather than additional chord tones. ### 2. During solos, the other three players supply the harmony For most solo measures, give the three accompanying instruments the **three notes of the triad**. The solo is the fourth voice; it can double a chord tone or introduce a brief passing note. - Keep the accompaniment **at least one dynamic level below the solo**. - During alto and tenor features, the soprano should sustain quietly rather than continue a competing melody. - During the baritone feature, **the tenor takes over the harmonic bass**. Concert **D3–Bb2–A2** works underneath bars 61–63. - For suspended chords, replace the third with the fourth; don’t accidentally retain both in the accompaniment. ### 3. Save the added-note color for the ending For the final **Dm(add9)**, use exactly these four notes: | Soprano | Alto | Tenor | Baritone | |---:|---:|---:|---:| | E5 | F4 | A3 | D3 | That gives you **D–F–A–E**, with no seventh: a spacious, aching pop-ballad ending. For a more settled conclusion, change the soprano’s **E5 to D5**, making the final chord plain D minor. **Overall:** keep most of the piece spacious. Let the quarter-note lift in bar 45, the suspended dominants, and the changing solo timbres provide the movement. The emotional payoff should come from hearing familiar harmony become more exposed—not from making the chords increasingly elaborate.