> However, sheet notation tells you precisely the duration of each note That's why "real" notation is displayed above the tabs or sometimes some other way is u

> However, sheet notation tells you precisely the duration of each note That's why "real" notation is displayed above the tabs or sometimes some other way is used to indicate duration, mostly space between two notes. That's also why it's hard to write an actual usable guitar tab GUI, it needs to display sheet notation too, with all of it's intricacies.