Calling all sliders!
![](http://www.hcband.co.uk/wp-content/uploads/2017/09/Trombones-Large-960x480.jpg)
If you’re not a trombone player then simply swipe past this post…. However, please share it….as it’s a well know musical fact that you’re only 3 people away from a trombonist at any moment of your day!! So if you share and someone else shares.. then you can work out[…]