The Birth of Hold Music - An Accidental Invention
Hold music was actually born by accident. In 1962, American businessman Alfred Levy noticed a malfunction in his company's phone lines. Wiring near his factory was touching the building's steel beams, which acted as an antenna, causing music from a nearby radio station to bleed into the phone line. Levy recognized this "malfunction" and discovered that callers on hold were less likely to hang up when radio music played. He patented this idea in 1966 (US Patent 3,111,561), and the concept of telephone hold music was officially born.
In Japan, hold music features began appearing in corporate telephone exchanges in the late 1970s and became a standard business phone feature by the 1980s. Early hold music consisted mainly of simple electronic melodies, but as technology advanced, high-quality music playback became possible, and today hold music is also used as a corporate branding tool. In call center quality improvement, hold music selection is an important element that influences the customer experience.
Psychological Effects That Shorten Perceived Wait Times
Filled Duration Illusion
Cognitive psychology research shows that humans perceive "time when something is happening" as shorter than "time when nothing is happening." This is called the filled duration illusion. When music plays during a hold, the wait time is perceived as "a state where something is happening," making it feel shorter than the actual duration.
A 2003 experiment by a Brown University research team found that when comparing holds with music versus silent holds, subjects perceived the same 90-second wait as 20 to 30% shorter on average when music was playing. Furthermore, post-wait customer satisfaction surveys also recorded significantly higher scores for music-accompanied holds.
Reducing Uncertainty
Hold music also serves as evidence that the call is still connected. During prolonged silence, callers feel anxious - "Did the call drop?" or "Have they forgotten about me?" Hold music resolves this uncertainty by continuously signaling "your call is being handled." Multiple studies confirm that anxiety about silent holds increases sharply beyond 30 seconds.
Emotional Regulation Effect
When placing a complaint call on hold, hold music can help cool down the customer's emotions. Calm-tempo music stabilizes heart rate and can ease anger and irritation. Conversely, fast-tempo or noisy music can backfire, so careful selection is important. When implementing call center headsets, consider hold music settings as part of the package.
How Companies Choose Hold Music
Companies must consider multiple factors when selecting hold music. It's not simply about playing a "favorite song" - strategic decisions balancing customer experience and brand image are required.
Tempo and Volume
The ideal tempo for hold music is BPM 60-80 (60-80 beats per minute). This is close to the human resting heart rate and is considered to have a high relaxation effect. Volume should be set slightly lower than the speaking voice, so there is no jarring transition when the hold ends and the agent's voice returns. Too loud causes discomfort; too quiet becomes indistinguishable from silence.
Genre Selection
Genre selection should match the industry and target audience. Classical music or jazz conveys trust for financial institutions and law firms. Ambient or electronic music projects a cutting-edge image for IT companies and startups. Pop or bossa nova creates approachability for retail and food service. Healing music eases patient anxiety for medical facilities.
Copyright Handling
Using commercial music as hold music requires payment to JASRAC (Japanese Society for Rights of Authors, Composers and Publishers). Annual fees vary by number of lines, at approximately 1,200 yen per line per year. Using copyright-free or royalty-free music avoids this cost. Preset music provided by business phone manufacturers is typically pre-cleared for copyright, requiring no additional fees.
Risks of Silent Holds
Some companies skip hold music to cut costs or avoid setup effort, but silent holds carry multiple risks.
- Mistaken for disconnection: Research shows that when silence exceeds 10 seconds, approximately 60% of callers assume the call has dropped and hang up. This represents a loss of customer touchpoints for the company
- Wait feels longer: The reverse of the filled duration illusion - silent wait times feel 30 to 40% longer than actual. A 1-minute hold feels like 1.5 minutes
- Increased distrust: Silence creates the impression of being "abandoned," leading to distrust of the company. Silent holds during complaint handling are particularly dangerous, as they can amplify customer anger
- Risk of internal conversations leaking: If the hold operation is incomplete, what was intended as silence may actually not be muted, allowing internal conversations to be heard by the caller. Hold music masks internal conversations even if the hold operation is imperfect
When considering how to choose a phone answering service, hold handling quality is also an important checkpoint.
Branding Effects of Custom Hold Music
In recent years, major companies have increasingly commissioned original hold music. The strategy is to create music aligned with the company's brand image, delivering a consistent brand experience even during holds.
Custom hold music offers multiple benefits. First, differentiation from competitors. With generic preset music, every company sounds the same on hold, leaving no impression. Original music becomes recognizable as "that company's hold music," improving brand recall.
Second, message insertion during holds. By inserting voice messages between original music segments - "We are connecting you to a representative" or "Visit our website for new product information" - wait time becomes an information delivery opportunity. However, messages that are too frequent backfire, so once every 30-45 seconds is appropriate.
Production costs vary by length and quality, but original music of 30 seconds to 1 minute typically costs 50,000 to 300,000 yen. Including voice message recording, costs range from 100,000 to 500,000 yen. Like choosing the right business phone number, hold music should be strategically designed as part of your company's phone strategy.
Japan's Most Common Hold Music
The most widely used hold music in Japanese business phones is an arrangement of "Fur Elise" (composed by Beethoven) preset in Panasonic business phones. Panasonic holds a high share of Japan's business phone market, and this default track has become "Japan's most-heard hold music" as a result.
Next most common are "Greensleeves" (English folk song) and "Haru no Ogawa" (a Japanese children's song). Both are public domain works with expired copyrights, adopted as preset music by various business phone manufacturers. The prevalence of classical music and children's songs is due to three factors: no copyright processing needed, broad acceptance across age groups, and calm tempos well-suited for hold music.
Meanwhile, the "hold tone" that plays when using NTT's phone line hold function is NTT's proprietary electronic melody. Unlike business phone hold music, this is generated on the line side, so the same melody plays regardless of phone settings. This NTT hold tone is also one of the most familiar sounds to Japanese people.
The Future of Hold Music - AI and Personalization
Technological evolution is changing the nature of hold music. Some advanced call center systems now feature the ability to dynamically switch hold music based on customer attributes and call history. For example, pop music for younger customers, classical for seniors, and Western music for international callers - all selected automatically.
Systems that provide real-time estimated wait time announcements are also gaining adoption. An announcement like "Your estimated wait time is approximately 3 minutes" resolves uncertainty and gives customers the information to decide whether to wait or request a callback. Like the marketing impact of wordplay numbers, hold music is entering an era of strategic design from the perspective of customer touchpoint optimization.
Companies considering toll-free number implementation can enhance customer experience consistency by including hold music design in their planning alongside number selection.