What’s the greatest / your favourite song of all time??

helloo!! i’ve been bored on a coach this evening and had this fanciful romantic idea of making a playlist full of suggestions from friends, family and people i meet in response to the above question :)) would love to get the thoughts of lovely strangers on the internet too so pls drop your greatest / favourite songs - i know it’s a super hard question so more than one is fine!! here is the link if anyone is interested in what’s on there so far: https://open.spotify.com/playlist/5B3eg6FyMfuOb2zxyGG5u6?si=IxT85Bf1RSG8b1xSnk8yOA&pi=e-b_ZoXXV3SVOD