VoCo Vocal Coach funktioniert nicht

The VoCo app provides industry standard exercises in the form of scales & arpeggios which when used correctly will Increase your vocal range and power and improve your tone, style, pitch and control.  The voice is a muscle and must be kept in shape and successful singers understand that vocal exercises are a foundation establishing good technique and developing a great voice.  The VoCo app gives you that competitive edge by providing proven exercises customised to YOUR voice type and vocal ability.  Out of tune - out of breath- timing - voice breaks - weak spots - limited range - tone quality - vocal fatigue.  Even top artists take regular sessions with vocal coaches to help them maintain a great voice.  Vocal exercises are the perfect tool but singing unaccompanied doesn’t provide enough guidance for pitch and tempo.  Additionally, the app contains stylistic demos of session vocalists singing licks and phrases giving you the opportunity to LISTEN - REPEAT & COMPARE. - Determine the length of exercise by adjusting the number of repetitions for a track. 1.  It is designed for Voice Students, Performers, Vocal Coaches, Choir Directors & Music Teachers.  VoCo can be used in conjunction with mainstream singing programs or with your personal vocal coaching lessons .  VoCo is a vocal coaching App.  This will help you achieve and maintain a great voice!  The tracks you will find in VoCo are exactly the same exercises which are used by the stars!  All singers struggle with vocal issues.  Using tracks on audio CDs or MP3 is better but allow you to alter the speed and pitch or focus on specifics.  Vicarious - listen to demos of pro-singers and learn new styles & techniques. 2.  Diagnostic - record your workout and critically listen to the recording.