Depends on the mood.
Hard Rockin' Disc*AC/DC, Alice, .38 Special, Great White, ETC.
Country Disc*Trace Adkins, Brooks/Dunn, John Anderson, ETC.
Instrumental's Disc*Rippingtons, Eric Johnson, Satriani, ETC.
Oldies Disc*Chuck Berry, Fat's, You know the rest.
As For Motorcycle songs you will have a hard time not speeding to these:
Green Onion*Booker T and the MGs
Radar Love*Golden Earing
Motorcycle Driver*Ceremony*Joe Satriani
Still In Saigon*Charlie Daniels Band
Trooper with an Attitude*.38 Special
Take me to the Hiway*Doobie Brothers
Twist of the Knife*Fab. Thunderbirds
Everlong*Foo Fighters
Nadine*George Thorogood or Chuck Berry, like both
Fire and Water*Get on Home*Great White
Push*Jackel
Bad Motor Scooter*Montrose
Live Wire*Motley Crue
Hair of the Dog*Nazareth
Hit That*The Offspring
Shot in the Dark*Ozzy
Earthbound*The Rippingtons
Reckless*Sammy Hagar
Stormtroopin'*Ted Nugent
Hollywood(Down on your luck)*Thin Lizzy
Chrome*Honkytonk Badonkadonk*Trace Adkins
PCH*ZZTop
Need more ideas??? PM me a request, Be glad to help. Wrongway