Great App

Update:
What a nice surprise, new interface...
Looks great on my 6plus
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If you are a singer (Pro or amateur) and have an Iphone this is it. Get this.
Great for warm-ups and practicing technique.
This is not a coaching program. You do need to have some basic technique knowledge.
Bad reviewer should have read description before buying.

Wilchesjr about Singing Vocal Warm Ups - Singer's Friend, v2.0