Cross-Platform Music Collaboration App Development

I'm looking for a talented mobile app developer to create a music collaboration app for both iOS and Android. The primary function of this app will be enabling users to create and edit music tracks. Key features: - The app should come with built-in instruments and effects to enhance the music creation process. Ideal candidates should have: - Extensive experience in mobile app development, particularly for music-related apps. - A strong portfolio of cross-platform projects. - A deep understanding of the music creation process and the needs of aspiring musicians. Please provide examples of similar projects you've completed.