Where did they move the “transpose” slider to in this version?

I need to transpose parts of a couple of individual tracks. I know it’s possible because I think OS X GarageBand uses transpositions I set in iOS GarageBand in some files I exported as .band files a few months ago. But I need to undo them because the full version is missing instruments that that iPad version has (thanks, Apple, typical great work from you) so I need to use different instruments but transpose them up or down by octaves. (IOS GarageBand lets you transposes tracks 3 octaves up or down easily, so I figure OS X GarageBand must at least be able to do that, if I can find where the control IS!!) In the last version of GarageBand I used, it was easy for me to transpose individual instruments and regions, I simply selected them and moved the transposition slider. In these forums I see that as recently as 2 years ago it still worked exactly this way, I’m sure Apple doesn't “upgrade” by removing important features for no reason, but I just can’t find it anywhere, or find anything online that tells me where it is, so I just need to know how to find it.

I can’t figure out why they made it so hard to find… I’ve been doing electronic music since being a teaching assistant in it in college back in 1986, and I’ve never seen a sequencer before where I couldn’t find the track transposition control!

Here is a screenshot from the last version, showing where it used to be, down in the lower right. Where did they move it to?