Scales And Arpeggios
Vocal Techniques
Best Practices for Rehearsing Music
Recording Techniques for Vocal Harmonies
Vocal Improvement Techniques
Vocal Techniques 
Vocal techniques are essential methods
and practices used by singers and vocalists to enhance their vocal performance
...Scales and
Arpeggios: Practicing scales and arpeggios to improve vocal agility and accuracy
...
Best Practices for Rehearsing Music 
It allows musicians to refine their performances, develop cohesion as a group,
and prepare for recording sessions or live performances
...Here are some effective warm-up exercises: Vocalists: Lip trills, sirens, and
scales ...Instrumentalists: Long tones, scales, and
arpeggios ...
Recording Techniques for Vocal Harmonies 
Vocal harmonies are an essential element in music production, adding depth, richness,
and emotional impact to a song
...Suggested warm-ups include:
Scales and
arpeggios ...
Vocal Improvement Techniques 
Vocal improvement techniques encompass a variety of practices aimed at enhancing vocal quality, range,
and overall performance
...Vocal exercises: Practicing
scales and
arpeggios while focusing on resonance can improve overall sound quality
...
Nebenberuflich selbstständig 
Nebenberuflich selbständig ist, wer sich neben seinem Hauptjob im Anstellungsverhältnis eine selbständige Nebentigkeit begründet.