Hmm.. It depends on how they died.
Food poisoning? Poison - Alice Cooper
Heart attack? Dude Looks like a Lady - Aerosmith
Lightning? Thunderstruck - ACDC
Drowning? Surfin' USA - Beach Boys
Was it a girl? Dominoes - The Big Pink
Were they an atheist? The Prayer - Bloc Party
Drug Overdose? Smoke Two Joints - Bob Marley or The Perfect Drug - NIN
Just to make the criers cry.. Suffering - Coheed & Cambria
Car crash/vehicle crash? Speed of Sound - Coldplay
Cancer/AIDS/some other horrible illness? Down With the Sickness - Disturbed
Was it in a fight/assault? Everybody was Kung-Fu Fighting - Foo Fighters
Suicide from jumping off a bridge/building? Learn to Fly - Foo Fighters
General laughs.. Ghostbusters theme tune, Highway to Hell, Sympathy for the Devil, Knocking on Heaven's Door, Another One Bites the Dust, What What (Samwell), Jizz in my Pants & I'm on a Boat (The Lonely Island), Got the Life (Korn), U Can't Touch This, Animals (Nickelback- seriously, it's bad), Rape Me (Nirvana), anything by Parry Gripp (Hamster on a Piano especially), anything by Slipknot.
/iTunes library
Personally, I want Lee - Tenacious D played at my funeral. Feels good to have a song about your name.