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\documentclass[12pt]{article} \usepackage[minimal]{leadsheets} \useleadsheetslibraries{chords} \thispagestyle{empty} \begin{document} Let's typeset some chords: \writechord{Bb7(#9)} \writechord{Bbb6} \writechord{C#7(b9)} \writechord{C##13} \end{document}