That looks really nice. Jealous of the amps! "
Mine will look nicer than it does once my boards span the whole wall, and I get them painted. I'm thinking painting them a medium/warm grey.
Then, in the space between them, either using that stick-up "reclaimed"-looking wood, or some sort of other visual accent material. I was thinking some sort of 3D sculpted panels/tiles like this:
[IMG2=JSON]{"data-align":"none","data-size":"full","height":"300","width":"300","src":"http:\/\/www.art3d.com\/wp-content\/uploads\/2015\/11\/3D-Illuminative-Wall-Covering-1-Box-3-m%C2%B2-or-32.29-Sq.Ft_-300x300.jpg"}[/IMG2]
...but she's thinking something more along the lines of:
[IMG2=JSON]{"data-align":"none","data-size":"full","src":"https:\/\/www.wallsauce.com\/uploads\/wallsauce-com\/images\/product-rooms\/173093\/1_2_0.jpg"}[/IMG2]