Of course it's a matter of taste, so first, this is some stuff I like...
Velvet Underground, Neil Young, Nick Drake, Woody Guthrie, Van Morrison, Tenacious D, Leadbelly, Bach, Mozart, Louis Jordan, Nic Jones, Hoagy Carmichael, Johnny Mercer...
and here are (in my opinion) some great songs...
Sleep Comes Tomorrow - David Kitt
Two Sleepy People - Silje Nergaard
Love and Marriage - Frank Sinatra/Count Basie
Rock and Roll - Velvet Underground
Love like a Rock - Rory McLoud
Springfield Mountain - Woody Guthrie
Drowned Lovers - Kate Rusby or Nic Jones
Don't Let it Bring You Down - Neil Young or a very nice Annie Lennox version
Yes Yes - Ambrose and his Orchestra