Our body is a karmic vehicle that operates on different gears. These gears are the elements and when there is an imbalance we too are off balance. It may result in stress, dysfunctional relationships, illness etc. Knowing which elements are dominate in your personality and in others can help you with interactions and knowing how to deal with certain people and situations. It can make you a better teacher knowing which students have too much fire, water etc and how to approach them.
Earth people are structured, organized, slow and everything has to be in its perfect place. They show love by doing things for their partners. Earth in music form is a steady beat, like a drum. A good meditation to increase Earth in your disposition is to organize your surroundings and to visualize roots growing from your feet into the earth.
People with lots of water are creative, sexual, affectionate, love to bound and are easily attached. They have no boundaries and talk for long periods of time. They are always moving and flowing. Water music is the blues and slow dances. In love they are very affectionate and always want to bond.
Fire is direct, they are impatient, have type a personalities, tend to burn out and are very external. Fire music is Beethoven, born to be wild, rock and roll. In love they are direct.
Air people are easily distractible, cant focus, scattered, multi-tasking and think a lot. They are very up in their head. Air love people think about love, they research love and how to be in a relationship.