Package mpg123 (1.25.10-r0) is installed on root and has the following files:
/compat/linux/usr/bin/mpg123-strip
/compat/linux/usr/bin/mpg123-id3dump
/compat/linux/usr/lib/mpg123/
/compat/linux/usr/bin/out123
/compat/linux/usr/lib/libmpg123.so.0.44.8
/compat/linux/usr/lib/libmpg123.so.0
/compat/linux/usr/lib/libout123.so.0.2.2
/compat/linux/usr/lib/mpg123/output_dummy.so
/compat/linux/usr/lib/libout123.so.0
/compat/linux/usr/lib/mpg123/output_pulse.so
/compat/linux/usr/bin/mpg123