rating: +172+x


Item #: SCP-2402

Object Class: Euclid

Special Containment Procedures: SCP-2402-1 through 3 2 are to be kept in a locked standard storage drawer at Site-17. All requests for testing or other purposes must be logged, with digital copies of the date, time, person requesting access, and reason for requisition kept at three separate facilities. Logs must be cross-referenced at least once monthly for discrepancies.

All testing with SCP-2402 instances must take place in soundproof testing chambers constructed no later than 1996. If soundproofing foam is found to be worn or decaying, testing may be allowed to continue with specific permission and increased protection from the principal researcher or site director. Care must be taken to use speakers with enough age to survive testing.

Description: SCP-2402 is a chord progression in the normal range of hearing for humans. The specific frequencies for each note involved and the length of each note in succession are listed in Document 2402-KS [REQUIRES 4/2402 CLEARANCE].

The chord progression causes an anomalous harmonic vibration within subatomic particles, causing a reversion of particles to a prior oscillation with lower entropy. Rapid shifting of subatomic oscillations to previously exhibited states effect a temporal reversal in the exposed materials. In organic materials this reduction in entropy is generally observed to consist of the recomposition of cells and tissues. For example, a rotting fruit will return to an edible state. Living plants and animals will appear to become younger, with no corresponding temporal shift in the environment outside the listening area.

The rate and intensity of temporal reversal is dependent on the strength of exposure. Sound pressure levels of at least 40 dB are necessary for the anomalous nature of the progression to become clear. The anti-entropic effects of the progression cease for any item moved to a range where the amplitude of SCP-2402 is less than 40dB, but accumulated temporal reversions remain in place afterwards. Test subjects and test materials have been observed to become younger at a rate of 6 months per minute of exposure at 70 dB.

Analysis of brain scans and interviews of subjects after testing have demonstrated that the mind also reverts to an earlier time, removing all memories accumulated over the "rewound" period. Researchers are advised that extreme fear and confusion are common reactions to test subjects immediately after testing, as they will not remember why they were in the testing chamber, remembering only events up to their new, previous chronological age. Should subjects revert back to earlier than the adult state, the subject will decrease in mass, with the balance expelled as undifferentiated viable tissue.

Test materials also experience entropy removal, resulting in reduction of wear and fractures. Recent construction of buildings can potentially result in disassembly of exposed rooms upon reversion to the date of construction, via the refilling of nail holes in wood, reversal of welds, and re-separation of concrete binding materials. Ensure that testing chambers are never exposed to a cumulative level of regression past their date of construction. Because of this property, older facilities in need of repair can be used as testing chambers, as long as the principal researcher has determined limited propagation of acoustic properties beyond the confines of the chamber.

SCP-2402-1, -2, and -3 are the objects in containment which carry recorded forms of SCP-2402. SCP-2402-1 is a musical manuscript using Byzantine notation. SCP-2402-2 is the file pureyouth.mkv, kept on a single 64GB thumb drive. SCP-2402-3 is [DATA EXPUNGED] Testing with SCP-2402-1 is restricted until Foundation musicians who have memorized the score have aged sufficiently to remember the score upon conclusion of play. Please refer to Personnel Roster 2402-1-09X for a list of Level 2/2402 clearance musicians, and date of memorization of SCP-2402-1. During testing, copies of SCP-2402-1 can be made available to musicians only if they are properly aged for a minimum of 7.5 years via SCP-119 before play. Regular testing of SCP-2402's effects is to be performed with SCP-2402-2, which can be played to speakers physically separated from the computer hosting the file.

Addendum: Recovery Log, SCP-2402-1:

MTF Eta-11 ("Savage Beasts") was dispatched to the village of ██████, Bulgaria, to investigate rumors of the locals offering "a song that restores youth and virginity" for a considerable price. A number of musicians in the village were identified as persons of interest and surveillance was established. MTF members posed as paying clients and were able to infiltrate operations, and asked to join the musicians in a nearby cave in the Balkan Mountains. Average age of the musicians was approximated as 45-50, although the youngest (POI-2402-4, approximately 25 years of age) informed Agent Zhao that he has played the song longer than anyone else, and soon he would not be able to play it anymore. Zhao effected payment for "3 years of youth" and allowed to remain in the cave while the musicians played. The remaining members of MTF Eta-11 carried out a tactical assault [DATA EXPUNGED].

MTF confirmed the anomalous effects of the music through an examination of the regression of mole development on Zhao's skin and comparing them to medical records. SCP-2402-1 was recovered in the cave, along with 5 traditional Bulgarian instruments of recent make (gaida, kaval, tǔpan, 2 tamburas) and a recently made forgery of a Stradivarius violin.

POI-2402-4 was the sole survivor of the encounter among the musicians, but was determined to no longer be a threat and left at the nearby monastery with a forged note claiming to be from his mother.

Addendum: Recovery Log, SCP-2402-2

The file pureyouth.mkv was located on a cloud server, having been uploaded by █████ ██████, a musician in New York City. It was sequestered and transferred to thumb drive and wiped from the internet, and Mr. ██████ was brought in for questioning. Upon interrogation, he revealed that he had no recollection regarding writing the music, and appeared to be suffering from retrograde amnesia, believing that the current date was six months earlier. Subject was given a Class B amnestic and released.

I think what's going on is that you've got musicians who come up with this chord from time to time, but then while they're tinkering with it, they play it, they back up, and they can't remember ever having played it before. In many ways, it's self-containing, but now in the world of digital music, where something can be written out in a playable form without ever listening to it, first, there are more and more ways for files like this to end up in the public.

— Agent Mike Carter, MTF Eta-11

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