\documentclass{article}
\usepackage{grffile}
\usepackage{pdfpages}
\begin{document}
\includepdf[pages=-]{build/pdf/Neil Diamond/America.pdf}
{\catcode`\,=11 \includepdf[pages=-]{build/pdf/John Denver/Take Me Home, Country Roads.pdf}}
{\catcode`\,=11 \includepdf[pages=-]{build/pdf/John Denver/Take Me Home, Country Roads Capo II.pdf}}
\includepdf[pages=-]{build/pdf/Paul Simon/American Tune.pdf}
\includepdf[pages=-]{build/pdf/Kim Wilde/Kids in America.pdf}
\includepdf[pages=-]{build/pdf/Grateful Dead/U.S. Blues.pdf}
\end{document}