What Is a Yobidashi? A Complete Guide to the Masters of Voice Who Create Flawless Sumo Presentation

Introduction
               

Supervisor・Tsuyoshi Mizuguchi

He began practicing sumo in sixth grade, later advancing to Hotoku Gakuen High School and Ritsumeikan University before joining the Kasugayama stable to enter professional sumo. After retiring in 2016, he appeared in a popular subscription-based drama series titled Sanctuary. Currently, he runs his own YouTube channel, “Osumo Gucchan-neru,” where he shares videos on sumo training, techniques, and his experiences from his time as a professional wrestler.

A yobidashi is a specialist in professional sumo who calls out the wrestlers’ ring names in a distinctive melodic chant. This voice serves as the signal for the match to begin, instantly drawing in the audience. However, their role extends far beyond voice work, encompassing dohyo construction and event operations. This article introduces the appeal of the yobidashi in a way that is easy for both beginners and international fans to understand.

Main Duties of a Yobidashi

The most notable feature of a yobidashi is the melodic call of the wrestlers’ ring names. The pitch and intonation vary from person to person, giving each yobidashi a distinct style. However, this is only part of their role on stage. They also play a vital part behind the scenes, ensuring that the event proceeds without a hitch.

DutyDescription
Calling ring namesChanting the wrestler’s name with melodic phrasing before the match
Dohyo constructionBuilding the sumo ring at tournament and tour venues
Equipment managementPreparing and clearing away drums, banners, cushions, etc.
Assisting the refereeSupporting the flow of bouts and preparing for the next match
Managing rankings and signageSetting up and replacing bout schedules and rankings

A yobidashi connects the dohyo, the audience, and the wrestlers. Sometimes their movements are in full view; other times they pass unnoticed. Yet every action contributes to the success of the event.


A Day in the Life of a Yobidashi

The yobidashi’s schedule varies slightly between the main tournaments and regional tours, but their day often runs from early morning until late at night. At a major tournament, they work from pre-opening preparations through post-event clean-up.

Time of dayMain tasks
Early morningCleaning the dohyo, adding sand, checking equipment
MorningSetting up rankings and banners, practicing calls
MiddayCalling names according to the bout order
AfternoonManaging entry and banner changes as bouts progress
EveningDismantling and storing equipment after matches

From preparing the dohyo at dawn to using their voice throughout the day under constant tension, yobidashi require both stamina and focus.


How to Become a Yobidashi

To become a yobidashi, one typically joins a sumo stable. After entering, they start with miscellaneous duties, learning the art of melodic chanting and bout management from senior yobidashi. Mastering the voice takes years, with practice during both training and live events gradually developing an individual style.

StageSkills acquired
Apprentice periodMiscellaneous chores, carrying equipment, assisting with dohyo work
BeginnerBasic chanting practice, assisting seniors
IntermediateCalling names in lower-division bouts
AdvancedHandling top-division or championship-deciding bouts

A yobidashi is evaluated not only on vocal skill but also on etiquette and refined movements.


History and Cultural Background of the Yobidashi

The yobidashi’s history dates back to the Edo period. From the beginning, they acted as both announcers and assistants in dohyo preparation. Their melodic calls are influenced by traditional Japanese performing arts, such as festival chants and kabuki stage announcements.

EraYobidashi’s role
Edo periodAnnouncing bouts and constructing the dohyo
Meiji periodStandardization of melodic phrasing
Showa periodUse of microphones and expansion of regional tours
Modern daySupporting overseas performances and international audiences

Professional sumo is not just a sport; it is an event with elements of traditional Japanese performing arts, and the yobidashi plays an important role in its presentation.


The Yobidashi’s Voice and Technique

A yobidashi’s voice must have more than just volume. It needs resonance, sustain, and modulation to be a “beautiful voice” that reaches every seat in the venue. The melodies vary slightly by region and are passed down from master to apprentice.

TechniqueDescription
VocalizationUsing diaphragmatic breathing for resonance
Melodic phrasingAdding musicality to the name call
TimingAdjusting pacing to match the flow of the match
Volume controlAdapting projection to venue size and conditions

The melodic phrasing is the yobidashi’s identity, and its beauty remains in the audience’s memory.


The Appeal of Yobidashi to Overseas Visitors

For many international visitors, the yobidashi’s voice embodies Japanese culture. Like kabuki or noh, the formalized vocal style is rare and leaves a deep impression, making the experience of watching sumo more memorable.

ImpressionDetails
Cultural experienceBeing moved by the unique beauty of Japanese sound
Ritual atmosphereFeeling the solemn mood before matches
Photogenic appealThe harmony of traditional attire and the dohyo
Beyond language barriersMusical phrasing conveys meaning without translation

Conclusion

The yobidashi is a master of voice and movement in sumo, a presence that shapes the atmosphere of the entire event. Their role extends far beyond the glamorous name call — they also build the dohyo, manage event logistics, and maintain equipment. The melodic phrasing and precise movements, refined through centuries of tradition, carry the weight of ritual rather than serving as mere announcements. For the audience, the yobidashi’s call signals the start of the match; for the wrestlers, it is a cue to focus their spirit. Next time you watch sumo, look not only at the wrestlers but also at the yobidashi working at the dohyo’s edge and along the hanamichi. Doing so will let you appreciate sumo on a deeper level.

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