Musical instruments and accessories, namely, singing straws, voice tubes, and vocal training kits composed primarily of straws and tubes made of stainless steel, silicone, glass, or wood, together with carrying cases, all used by singers, teachers, and professional voice users for vocal warm-ups, practice, and performance preparation; breathing trainers, respiratory exercisers, and spirometers adapted for musical and vocal training use; nebulizers for singers for use as musical instrument accessories; silicone masks for vocal warm-up and resonance practice; voice dampeners for limiting sound output during vocal exercises; airflow or flutter-type phonation devices designed for vocal training.