Final answer:
To achieve lip trills, it's important to keep your lips and facial muscles relaxed, start by creating a 'brrr' sound with a steady airstream, then gently incorporate vocal cord vibration, sliding through pitches, and practice regularly for consistency.
Step-by-step explanation:
Achieving lip trills can be facilitated by a couple of simple techniques. First, it's essential to stay relaxed and not put too much pressure on the lips or the voice. One trick is to start by blowing air through closed lips, creating a ‘brrr’ sound, similar to the way one might try to warm their hands on a cold day. While keeping this airstream constant, add voice by gently engaging the vocal cords.
As you become more comfortable, try to move through different pitches by sliding up and down in your vocal range, focusing on maintaining a consistent airstream and staying relaxed. Another tip is to practice in front of a mirror to ensure your facial muscles are not tensing up, which can impede the trill. Regular practice is key to developing strong and consistent lip trills.