I could add:
"Michelle" and "Moon river" - french accordeon
"Guantanamera" - marimba and mallets in general
"Here, there and everywhere" - Pan flute layered with voices
"Imagine" - acoustic piano
"Maria Elena" - acoustic guitar, accordeon and mariachi trumpet
"My cherie amour" - harmonica
"My heart will go on" - Shakuhachi
"Never on sunday" - Mandolin, steel or 12 string guitar
"Night and day" - brass section
"New York New York" - clarinet
"Scarborough fair" or "Greensleeves" - vocal pad
"Smile" or "La vie en rose" - string pad