Modern Poster Design for Concert

I'm seeking a creative designer to help with a poster for an upcoming concert. The design should be modern and sleek, focusing on event promotion.

Ideal Skills and Experience:
- Proficiency in graphic design software (e.g., Adobe Illustrator, Photoshop)
- Previous experience in creating event posters, particularly for musical events
- Strong understanding of modern design aesthetics
- Ability to meet deadlines and adapt to feedback