A Certain Tune

A Certain Tune is a tune that is often hummed by characters in the Toaru Majutsu no Index and Toaru Kagaku no Railgun anime.
==Principles==
It is in 4/4 time and is often sung in light and comedic situations. It is often sung in a low pitch, although, a higher pitched version is not unheard of.
Variations of how it hummed are often present depending on the character, such as Mikoto singing in a higher pitch.
==Chronology==
===Toaru Majutsu no Index===
The tune is first heard being hummed by Index while she was with Touma going to the bath just before encountering Kanzaki Kaori. Later on, it's also sung by her in the form of Aogami Pierce due to the Angel Fall effect, just before being strangled by Kamijou Touma.
Much later, the tune is once again hummed by both Aogami Pierce and Tsukuyomi Komoe during the cold opening of the first episode of Toaru Majutsu no Index II. Later in the season, both Index and Orsola Aquinas hum it at the same time during the scene where Touma is forced to decide which door is the one that doesn't have either of them taking a bath that would lead to some hijinks. The tune is once again heard during Index and Accelerator's short ride with Orson, as Index reads a perverted version of the .
In an anime original scene in the first episode of Toaru Majutsu no Index III, Index is seen singing the tune, adding the lyrics "ofuro" (bath) to it, as she and Sphynx bathed in the shower.
===Toaru Kagaku no Railgun===
Misaka Mikoto hums this in the very first scene of the episode with a different pitch. Later in the season, Touma hums the tune in the post-credits scene just before he meets Mikoto near a certain vending machine.
In an anime-original scene in the first episode of Toaru Kagaku no Railgun T, Mikoto hums the tune in the very first scene of the episode.
==References==
==Navigation==
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