このアプリは2019年10月31日をもってサービスを終了しました。

Influential YouTubersHandpicked by the Callmart editorial desk

No YouTubers' Archive could call itself complete without the inclusion of Jeff Rolka.

Jeff Rolka

Subscribers54,601

Total Views5,325,086

View YouTube

Channel Description

Warm ups and technical videos to help you sing your best! Want to sing better in tune? Want to hit that high note? Want riffs and a seamless voice from your lowest to highest notes? The videos are here. Can't find what you're looking for? Get in touch with Jeff and he'll send you a link to the video you need or make a new video to address your singing challenge.

From the YouTube channel’s "about" page.

Comments by Callmart:

・These days, a well-edited video library is essential to any major channel, but Jeff Rolka still manages to add a unique flare to it.

・Jeff Rolka has nailed down the art of being personable and relatable even without meeting fans in person.

Callmart's Color Choice

The color that our editorial team chose for
Jeff Rolka is... Pacific Blue

Pacific Blue is a Blue color,
which means this YouTuber is...Caring

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