Compose an 8-bar loop in **D major**, 4/4, 120...

Compose an 8-bar loop in D major, 4/4, 120 BPM.

Chord Track (whole-note piano)

Bars 1-2: Dmaj9 = D2 A2 F#3 C#4
Bars 3-4: F#m7 = F#1 C#2 A2 E3
Bars 5-6: Bm7 = B1 F#2 D3 A3
Bars 7-8: repeat Dmaj9

Arp Track (synth pluck)

• Range: D4–D5, velocity 75-85
• Continuous 16th-note pattern repeats for the full length of each 2-bar chord
• 8-note unit to loop: Root – 5th – 3rd – 5th – Root↑ – 5th – 3rd – 5th
  (all chord tones, no 2nds/9ths).

Examples
• Dmaj9 unit: D4 A4 F#4 A4 D5 A4 F#4 A4
• F#m7 unit: F#4 C#5 A4 C#5 F#5 C#5 A4 C#5
• Bm7 unit: B3 F#4 D4 F#4 B4 F#4 D4 F#4

Output

• Exactly 8 bars, 2 tracks