Here are a few tips to help you improve your rap voice:

1. Practice regularly: The more you rap, the more comfortable and confident you will become with your voice. Consider setting aside time each day to practice your flow and delivery.
2. Experiment with different styles: Try rapping in different styles and see what works best for you. This can help you find your own unique voice and flow.
3. Record yourself: Listening back to recordings of your raps can help you identify areas where you can improve. Pay attention to your delivery, flow, and overall performance.
4. Take care of your vocal cords: Drink plenty of water and avoid screaming or shouting excessively to protect your vocal cords.
5. Consider voice training: If you’re serious about improving your rap voice, you may want to consider taking vocal lessons or working with a vocal coach. This can help you develop proper technique and avoid any bad habits that may be holding you back.

Remember, improving your rap voice takes time and practice. Be patient and don’t get discouraged if you don’t see improvement right away. Keep working at it and you will get better over time.

Here are a few examples of how you might structure a rap verse:

Example 1:

Verse 1: (8 bars) I’m on the mic, ain’t no need to front I’m bringing fire like a dragon, I’ll burn up the function I’m in my prime, ain’t no stopping me now I’m breaking records, I’m the real MVP, no doubt

(8 bars) I’ve been in the game for a minute, I ain’t new I’ve paid my dues and I’ve got nothing left to prove I’m on top now, ain’t no way to bring me down I’m here to stay, I’m the king of this town

Example 2:

Verse 1: (8 bars) I’m feeling like I’m on top of the world I’m unstoppable, ain’t no one gonna bring me down I’m living life, ain’t no rules to hold me back I’m making moves, ain’t no stopping my attack

(8 bars) I’m in control now, ain’t no one gonna tell me what to do I’m living life on my own terms, I’m breaking through I’m reaching for the stars, ain’t no ceiling in my sight I’m unstoppable, I’m gonna make it to the top, I’m gonna shine

These are just a few examples, but there are many different ways you can structure a rap verse. The key is to find a structure and flow that works for you and your style.

A 16 bar verse is a common structure for a rap verse, and it refers to the length of the verse in terms of the number of bars. Here are a few tips to help you write a 16 bar verse:

1. Start with a strong opening: Your opening lines should grab the listener’s attention and set the tone for the rest of your verse.
2. Develop your theme or subject: Use the rest of the verse to delve deeper into the theme or subject you introduced in the first few lines.
3. Use figurative language: Figurative language, such as metaphors and similes, can help add depth and interest to your lyrics.
4. Experiment with different rhyme schemes: Rhyme can help give your verse structure and make it more memorable. Experiment with different rhyme schemes to see what works best for you.
5. End with a strong closing: Your final lines should leave a lasting impression on the listener and wrap up your verse in a satisfying way.

Remember, it’s okay to revise and edit your verse as you go along. It can take some time to get the structure and flow just right, so don’t be afraid to cut lines or rearrange the order of your lyrics to find the best fit.