The house and trance kick drum is the most important drum for these genres and also one of the least understood. A good kick drum can be felt in the chest, has a noticeable thump at the beginning, and has a low bass frequency tone at the end.
LFO speed will determine how fast vibrato occurs. LFO depth (also known as amount) will determine how high and low the pitch is bent.
A common sound in trance music is a gated synth lead. Most trance musicians play a long note into a synthesizer and rapidly turn its volume up and down.