I was planning - one day - to getting around to trying to test out your suggestion, but, since it would likely be fairly daunting, I put it off. However, a couple weeks ago, I noticed another number-related thing when using the Additional Tagging & Reporting Tools plug-in, which I reported
here and today, while helping another user out, I realized what's happening.
This code will return all expected results, i.e.
1 hour, 25 minutes...
1 hour, 1 minute
2 hours, 50 minutes
$If($Div($Split(<Album Duration>,:,1),60)<1,,$RoundDown($Div($Split(<Album Duration>,:,1),60),0)" hour"$If($Pad($Split(<Album Duration>,:,1),3)>=120,"s",)", ")$Mod($Split(<Album Duration>,:,1),60)" minute"$If($Pad($Mod($Split(<Album Duration>,:,1),60),2)=01,,"s")
Removing the $Pad() function when checking if an album's duration is two hours or more returns incorrect results.
$If($Div($Split(<Album Duration>,:,1),60)<1,,$RoundDown($Div($Split(<Album Duration>,:,1),60),0)" hour"$If($Split(<Album Duration>,:,1)>=120,"s",)", ")$Mod($Split(<Album Duration>,:,1),60)" minute"$If($Pad($Mod($Split(<Album Duration>,:,1),60),2)=01,,"s")
Furthermore...
...returns "F."
So... derp to me. I'm guessing this is intentional in how you want MB to handle numbers?