New Song: The Less You Hold
A mandolin-and-dobro folk song built from a fable — and the harder lesson of knowing when to let something go.
I'm Larry (Danna) Collins Jr.
Software developer (C#, SQL, .NET). Live bluegrass musician. Vintage computer collector. I build things that are useful, play things that are loud, and collect things that are old.
Featured tools
Sudoku
Classic 9×9 Sudoku with five difficulty levels, five visual themes, pencil-mark notes, and a hint counter. Mobile-friendly, works offline.
Play nowDice Games
Multiplayer Yacht and Farkle in the browser. Host a session, share a QR code, and play from any device in real time.
Play now6502 Debugger
Write 6502 assembly in the browser and watch it run. Full assembler, step execution, live registers and flags, hex memory inspector. C64 compatible.
Open DebuggerRecent posts
All posts →Behind the Music: A Song Stories Showcase
Built a new section of the site dedicated to AI-assisted songwriting — each song gets its own page with backstory, lyrics, and an embedded Suno player.
Tips page now pulls from my knowledge base
Revamped the Tips page to merge local code tips with articles from my GitHub knowledge base — search, source toggle, and tag filtering all in one place.
Tools
Interactive web demos I use myself. SQL helpers, regex testers, games, and more.
Tips
Pro tips in C#, SQL, JavaScript, and 6502 assembly. Stack Overflow-style, searchable by tag.
Vintage
My Commodore 64 and vintage computer collection. Hardware history, personal notes, growing 6502 projects.
Music
Live bluegrass with friends. AI-assisted songwriting with Suno. Videos and tracks.