The chart link opened as normal on my iPad mini (tried both from the “full” Forums in my browser (safari) and the mobile version accessed directly from the iRp app.
The song will not open on my android device either through the app or from chrome.
I’m reposting the chart here from my iPad as a test.
Here's the problem, Bob — or part of it. The email link "View This Thread" goes only to the one post it references. It doesn't show the whole thread, so a previous post (which in this case held the iReal Pro link to the tune) is not shown.
And iReal Pro email links to my Firefox browser consistently show this message: