Choir warm-ups can get fuzzy fast when students are trying to listen, shape vowels, breathe together, and still sound like one ensemble. This bundle gives music teachers a simple set of printable rehearsal cards for quick vowel work, blend checks, diction contrasts, posture reminders, breath pacing, and reflection. 🎵 The look should feel like a real choir teacher's rehearsal folder: hand-lettered vowel slips, pencil staff-line tabs, soft risograph ink, and warm-up cards that are clear enough to