rating: +1+x

SCP-4584 (left), next to a non-anomalous trombone.

Object #: SCP-4584

Object Class: Safe Neutralized

Special Containment Procedures: As SCP-4584 was destroyed during Incident-4584-1R, it is considered to be neutralized.

Description: SCP-4584 is an H. N. White King-branded trombone composed of brass and silver, consistent with those manufactured from 1912-1916 by the H. N. White Company.

SCP-4584's unique properties manifest when any mass (aside from human saliva) enters the entity from its 'bell' or mouthpiece side. If the mouthpiece of SCP-4584 is blown into by a human being, SCP-4584 will expel different materials varying in both speed and composition. Currently, the materials expelled seem to follow patterns depending on the input SCP-4584 receives, usually resulting in a spherical object which closely relates to the input. Most outputs are non-anomalous in structure, only possessing anomalously high speeds when being expelled.

SCP-4584 may also be used non-anomalously as a regular trombone if the only input is human saliva.

Initial Discovery: SCP-4584 was found during an anomalous musical concert in ████████ County, ███████ that was disrupted by MTF Eta-11 ("Savage Beasts"). The original case SCP-4584 was found with included a small letter, describing the anomaly. The letter, presumed to be written by the manufacturer, labelled SCP-4584 as “A weapon that surpasses its use as art or war. Not to be used by the inexperienced, for their safety.”

Testing Log-4584:

Inserted Mass Expelled Object Additional Notes
200 mg of soap mixed in water 20 mg of the same material, emitted through bubbles Initially discovered when attempting to clean the interior of SCP-4584.
1 kg of wool 3 kg of colored yarn string, spooled into a ball First instance of a complete change in color and arrangement.
5 kgs of brass A standard 4-key french horn made of brass and nickel silver First instance of an object being expelled with additional materials.
5 kgs of gunpowder A 400 kg cast-iron cannonball Object expelled not only shot at a significantly higher velocity but was considerably warmer as well.
A 4x4 cm piece of glass A 20 kg glass ball Object immediately shattered on the floor when expelled. Purple dust was observed to escape the gas before disappearing. Researcher █████ exhibited a decrease in memory recollection after the test of a short period of time.
A packet of pumpkin seeds and an estimated 3 kgs of granulated sugar SCP-4584-1 (see Incident Report 4584-1R) Testing postponed indefinitely. See Incident Report 4584-1E for details.

Incident Report 4584-1R:
On 11/11/2016, Researcher █████ requested testing access to SCP-4584. The request was accepted, though they failed to notify staff of the contents of their lunch that day. As █████ was in good standing within the Foundation, it is believed that they had simply misremembered what they had consumed that day. Researcher █████ had ingested a particularly high-sugar drink that day, forgetting to wash their mouth. Summarily, when SCP-4584 was blown into during the test, a small anomalous paper card became the output (henceforth designated as SCP-4584-1). The card proceeded to anomalously explode sometime later, killing Researcher █████ and destroying SCP-4584. The explosion is believed to have been triggered by a trigger word, presumably the ending phrase on SCP-4584-1. The only writing that is known to be on SCP-4584-1 was spoken aloud by Researcher █████ moments before detonation. It is transcribed below.

You have forgotten to ensure that the instrument has been properly handled. Your contract which had ensured the instrument had been in good hands has been terminated due to your failure to abide by the instructions outlined in your provided manual. If you have a warranty, please contact us at our main offices in ███████.

- Happy Remembrance Day, Syncope Symphony

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