Q: do you feel the beginning of never gonna give you up as an 8th pickup and a bar of 2/4 after that (or as the & of 2?)
A: 10 sixteenthnotes of pure confusion. but no reason not to write it in 4/4. and if you're the drummer you feel it in 4, not to mention count of the rest of the band with a full additional bar of 4. but on the recording it is presented as a surprise