Talk:Modding/Cutscene Commands/@comment-30024027-20200114203513/@comment-39778517-20200114215057

It's probaly something like

ActivateChildAll:Student_ID (Name Lastname):GuitarCase:true

or

ActivateChildAll:Student_ID (Name Lastname):MusicCase:true

I'm don't know the refname of the guitar case so... :/