The following cell-funtions return properties of cells as formula-results.
Normally a userdefined cell function takes a value (string or number) of a passed cell-reference rather than a cell-object.
All these functions call a helper-function getSheetCel
Guitar tablature, chords, and lyrics of songs performed by Jerry Garcia
Including performances with David Grisman, Old and In The Way, Jerry Garcia Band, Grateful Dead, etc.