The problem with recording vocals in a professional or home studio is… Well, just that… The act of recording vocals.
There is nothing natural about it. The human voice is the most complex and finicky instrument there is, and it takes quite a bit of technical outsmarting and finesse to effectively capture an accurate representation of the audible vibrations emitted from an individuals’ vocal chords.
Unlike recording a guitar, acoustic OR electric, a piano, or almost any other instrument, vocal recording presents a few unique challenges, namely, the critical nuances of the tracking process in regards to the direct effect on the captured performance.
I’ve written lots more technical and procedural articles on Vocal Recording Tips here.