Assuming Charlie is correct that some of the notes are below the lowest note the program expects, you can change the lowest note setting. Go to Ctrl+E > Arrange button and change from the E2 default to E1 or E0.

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Ctrl+E > Arrange button

Jim Fogle - 2025 BiaB (Build 1128) RB (Build 5) - Ultra+ PAK
DAWs: Cakewalk Sonar - Standalone: Zoom MRS-8
Laptop: i3 Win 10, 8GB ram 500GB HDD
Desktop: i7 Win 11, 12GB ram 256GB SSD, 4 TB HDD
Music at: https://fogle622.wix.com/fogle622-audio-home