Package: rhythmbox

"rhythmbox" package binaries on CentOS:

/usr/bin/rhythmbox /usr/bin/rhythmbox-client

You may install this package on CentOS with yum install rhythmbox

"rhythmbox" package binaries on Debian:

/usr/bin/rhythmbox-client /usr/bin/rhythmbox

You may install this package on Debian with apt-get install rhythmbox