problem ingame(not with game just asking)

[zbew]

so i wanted to play engineer BUT i do not know how to build i spammed all my keys nothing works same thing for musician what key/s do i press in order for the window to pop up allowing me to choose songs or build options (like i see on utube)

 

[Kator Viridian]

so i wanted to play engineer BUT i do not know how to build i spammed all my keys nothing works same thing for musician what key/s do i press in order for the window to pop up allowing me to choose songs or build options (like i see on utube)

Hammer ... right click ... done.

I think.