By definition; Calling azan and reciting Quran with beautiful voices (human only) is also music - IMPOV Music is halal if not sinful however im not a scholar of the subject

By definition; Calling azan and reciting Quran with beautiful voices (human only) is also music - 

Music definition: 6. An aesthetically pleasing or harmonious sound or combination of sounds: Source: http://www.thefreedictionary.com/music

I'm not a scholar but IMPOV if the interpretation of frequencies of sound waves and digital images (numeric representation, normally binary) is sinful then it's haram