The Vulcan has Hugo Montenegro's The Good, The Bad, and the Ugly.
Kid has Rhiannon
Boss has Satisfaction (he complains)
Ex son-in-law had Country Boy
One friend has Comes a Time
Businesses use Diggy Diggy Li
Spam and unknowns get Cocaine.
Messaging is the theme from the Endless Summer.
Most of these are MIDI files - so no singing.
Sent by UFO