\section{The Armonica in Portugal}

Richard Twiss in his \Title{Travels through Portugal and Spain in 1772 and 1775} observes:

\begin{quote}
I also heard [at Lisbon] a Portuguese lady's performance on the musical glasses, which were empty, but her fingers wer occasionally dipped in water.
\footnote{\BrTwissQUUT{}, 10}
\end{quote}

\TODO{blue harmonica\EnDash{}see pasqual}