File:Wonderful time chord postscript output.png

Example output from Chord version 3.5.

Note that Chord was later renamed Chordii, and has since been replaced by ChordPro. ChordPro refers to both the ASCII text file format and the open source implementation commonly used to render (typeset) the ASCII text.

Source
Here's the ChordPro source code used to generate this formatted lead sheet.

{title:Wonderful Time} {subtitle:Words and Music (C) 2007 Adam Monsen}

[C]Every[G]body, [F]let's have a wonderful time, [C]Take it [G]slowly, [F]while you're feelin' fine [C]One strange [E7]day shouldn't [F]take you by surprise [C]But all right, [G]hey hey, [F]hey hey

{start_of_chorus} [C]Ahhh [Am]ahhh [G]ahhh [C]Ahhh [Am]ahhh [G]ahhh {end_of_chorus}

[F]Wonderful [C]time