Based on official release notes for this version range, the game include: : A new sound set available by default.
: Visual representations of performance after each song. Trombone.Champ.v1.0898-GoldBerg.zip
: Selectable "jubilant" or "estudious" animations for your avatar. Based on official release notes for this version
: A specific build version. While the official version 1.08 was released in October 2022, version numbers like 1.0898 often appear in archival or scene releases. Trombone.Champ.v1.0898-GoldBerg.zip