I asked this across the road but it won't do any harm to ask here too...
I've written the bits I know of the two mystery songs in B but they could be in any key.
The first (A) is something from the disco era or thereabouts. I thought it might by ABBA but I can't find it. It's medium paced with a four-on-the-floor feel and the line in question (which gives the
shape rather than the actual notes) is played by horns or synth horns in octaves. It's right at the front of the song. I last heard this in the '90s.
The second (B) is a high guitar line--not as high as this perhaps, but pretty high--that returns like a chorus during the song. I thought it might be Mink/Willy DeVille (the lead voice is pretty low and it has a slightly Latin feel) but once again I can't find it. I last heard it a few weeks ago in the "grocery aisle".
I'd be extremely grateful for any help.