Modified version of cirrus gist (thanks! here you can you find original code: https://gist.github.com/cirrusUK/8325641)

.conkyrc

background yes
use_xft yes
xftfont envypn:size=8
xftalpha 0.8
out_to_console no
update_interval 5.0
total_run_times 0
draw_shades no
 
# Create own window instead of using desktop (required in nautilus)
own_window yes
 
# If own_window is yes, you may use type normal, desktop or override
own_window_type override
 
# Use pseudo transparency with own_window?
own_window_transparent yes
double_buffer yes
#default_color fffffff
#color1 grey
alignment bottom_left
gap_x 2
gap_y 2
#no_buffers yes
use_spacer yes
 
TEXT
${color #ffffff} CPU1 ${color #ffffff}${cpu cpu1}% ${cpubar 6,40 cpu1} ${freq cpu1}MHz ${color}| CPU2 ${color #ffffff}${cpu cpu2}% ${cpubar 6,40 cpu2} ${freq cpu2}MHz ${color #ffffff}| RAM ${color #ffffff}$memperc% ${membar 6,40} ${color}| / ${color1}${fs_used /}/${fs_size /} ${fs_bar 5,40 /} ${color} ${color}| /home ${color1}${fs_used /home}/${fs_size /home} ${fs_bar 5,40 /home} ${color} ${color #1E90FF}| Playing${color #99182C}►${color #FFFF00}$mpd_artist - ${color #00FFFF}${mpd_title 30} ${color #1E90FF}$mpd_elapsed/$mpd_length