bar 1 hit F5 set guitar to mute
bar 13 hit F5 set guitar to back to normal
bar 25 hit F5 set guitar to mute
at the top select the chorus you want it on
or Edit - (then songform for 2016) - unfold
this will give a solo from bars 13-25

or open your song in real band highlight any bars of an empty track
click generate button - multi riff - choose instrument
too will have a lot to choose from you can also highlight any bar and choose multi riff to create a solo how you want