Simple Circle of Fifths application showing chords in key, notes in chord, and suggested chord progressions for each key and mode.

Portable models also tend to be noisier and produce less power than whole-house models, but they’re also much cheaper to buy and install than a whole-house generator, which is installed permanently.

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the ...