✍️¹²³

#annotation #references #citation numbers #numbered notes #endnotes #source list #scholarly note

1️⃣🎵2️⃣🎵3️⃣🎵

#scale degrees #musical scale #solfege steps #numbered notes

📦📇¹📇²

#index card system #zettelkasten #slip box #note archive #card filing #numbered notes #analog knowledge management