\documentclass{article}
\usepackage{grffile}
\usepackage{pdfpages}
\begin{document}
\includepdf[pages=-]{\detokenize{build/pdf/José Feliciano/Feliz Navidad.pdf}}
\includepdf[pages=-]{build/pdf/Wham!/Last Christmas.pdf}
\includepdf[pages=-]{build/pdf/Kurt Vile/Must Be Santa.pdf}    
\includepdf[pages=-]{build/pdf/Chuck Berry/Merry Christmas Baby.pdf}
\includepdf[pages=-]{build/pdf/Emlo & Patsy/Grandma Got Run Over by a Reindeer.pdf}
\end{document}