Todo lo que hay que agregar a tu conkyrc es esto
${if_running audacious}${exec audtool --current-song}
${exec audtool --current-song-bitrate-kbps} kbps / ${exec audtool --current-song-length} ${execbar expr 100 * $(audtool --current-song-output-length-seconds) / $(audtool --current-song-length-seconds)}$endif
En mi kso no lo tengo como conky principal ya que tengo varios conky mi configuracion es esta
######################################################
# - Conky para audacious tuniado por leodelacruz© - #
######################################################
#avoid flicker
double_buffer yes
#own window to run simultanious 2 or more conkys
own_window yes
own_window_transparent yes
own_window_type normal
own_window_hints undecorate,sticky,skip_taskbar,skip_pager
#borders
draw_borders no
border_margin 1
#shades
draw_shades no
#position
gap_x 20
gap_y 45
alignment down_left
#behaviour
update_interval 1
#colour D7D3C5
default_color 222222
default_shade_color eeeeee
own_window_colour 333333
#font
use_xft yes
xftfont Aller:pixelsize=13.3
uppercase no
#to prevent window from moving
use_spacer none
minimum_size 200
TEXT
${if_running audacious}${exec audtool --current-song}
${exec audtool --current-song-bitrate-kbps} kbps / ${exec audtool --current-song-length} ${execbar expr 100 * $(audtool --current-song-output-length-seconds) / $(audtool --current-song-length-seconds)}$endif