Note by note comparison of strained/unsupported singing VS. supported/resonant singing from male Korean vocalists

It's worth noting that even if a singer has developed proper support, they'll still start straining at some point, depending on how developed their technique is. Likewise, a singer appearing in the ''strain'' category does not mean they necessarily strain throughout their whole range. Most singers have a ''supported range'', in which they're able to properly support their voice, and when singing outside of that range, they'd strain/be unsupported. More info and examples on that can be found in this video:    • Strain VS Support 2 | K-Pop Male Voca...  

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