I installed spotify from ttps://aur.archlinux.org/spotify.git and it built successfully and installed by pacman -U. Starting spotify from the command line I have an error requiring libcurl-gnutls
spotify: /usr/lib/libcurl-gnutls.so.4: no version information available (required by spotify)
/opt/spotify/spotify: /usr/lib/libcurl-gnutls.so.4: no version information available (required by /opt/spotify/spotify)
/proc/self/exe: /usr/lib/libcurl-gnutls.so.4: no version information available (required by /proc/self/exe)