Yup lots of clouds…any chance I can just switch em off?
Well, no, actually; these are tracks that you’ve bought from iTunes, and, for whatever reason, need to be downloaded onto your phone again. The reason you can’t play them is because they’re not on your device at the moment.
Tap on them like I said above and they’ll download onto your phone and you’ll be able to play them.
[edit] Yes, you could turn off iCloud, and connect your phone to iTunes and find the tracks in the Purchased section, then drag them onto your phone.
Assuming you have a computer with iTunes; if you haven’t, you’re stuck with doing as I’ve just said, downloading them from the cloud, which is in this instance iTunes.