Unnamed musical instruments
The following is a list of unnamed musical instruments.

Adam's guitar 
Adam's guitar was a musical instrument used in the 23rd and 24th centuries.

Adam played a six-stringed instrument similar to a guitar, but without a resonating body. ()

A similar instrument was played by the Edo on Rubicun III, and by Katie aboard the ; her instrument had eighteen strings, however. ()

Aldean musical instrument 

This Aldean musical instrument was an advanced device controlled by thoughts. The player put his fingers on certain pads on the instrument and simply felt the notes in his head. If done correctly, the instrument would start to glow in different colors and produce a melody that was similar in mood to the player's feelings and thoughts.

Melian, an aged Aldean musician, taught Katie, a child from the Enterprise-D, how to play the instrument when she was abducted by the Aldeans. ()

Algolian musical instrument 

The Algolian musical instrument was a large instrument consisting of many small chimes that were struck with small wooden hammers, and played according to certain ceremonial rhythms. 

An Algolian musician was aboard the Enterprise-D during the biennial Trade Agreements Conference and entertained the visitors of Ten Forward by playing his instrument. 

Commander William T. Riker later transmitted the rhythm by subspace as a covert distress signal from the Ferengi Marauder Krayton whose crew had kidnapped him, as well as Deanna and Lwaxana Troi. ()

External link

Bajoran instruments

Cabasa 

The Bajoran cabasa was a small percussive instrument that played a role during Bajoran births.

For Bajoran women, it was important to be relaxed during birth, so the mother's relatives would play different instruments in a repeating rhythm to provide a relaxed atmosphere.

During Kirayoshi O'Brien's birth in 2373, the Bajoran woman Y'Pora, who was trained in childbirth, played a Bajoran cabasa. ()

Gong 

The Bajoran gong was a small percussive instrument that played a role during Bajoran births.

For Bajoran women, it was important to be relaxed during the birthing process, so the mother's relatives would play different instruments in a repeating rhythm to provide a relaxing atmosphere. During Kirayoshi O'Brien's birth, his father Miles O'Brien played the Bajoran gong; he had trouble keeping up the rhythm, however. ()

Bajorans also employed large gongs that were used during the Bajoran Gratitude Festival. ()

Harp 

The Bajoran harp was a small, four-stringed ritual musical instrument that resembled a crescent moon with s strung across it.

Vedek Porta played the instrument on the promenade to call people inside the Bajoran temple for services. ()

Lute 

The Bajoran lute was a type of musical instrument that was very similar to a Vulcan lute.

A trio of Bajoran musicians gave a small performance on Deep Space 9's promenade during the Gratitude Festival in 2371, one of whom was playing a Bajoran lute. ()

Percussion instrument 

The Bajoran percussion instrument resembled a combination of a xylophone and a drum played with small hammers.

A Bajoran musician played one of these instruments, accompanied by a Bajoran lute and a Bajoran woodwind instrument during the Gratitude Festival aboard Deep Space 9 in 2371. Odo was especially fond of the sound of those instruments. ()

Rattle 

The Bajoran rattle was a small percussive musical instrument that played a role during Bajoran births.

For Bajoran women, it was important to be relaxed during birth, so her relatives played different instruments in a repeating rhythm to provide a relaxed atmosphere.

During Kirayoshi O'Brien's birth in 2373, his mother Keiko O'Brien played a Bajoran rattle. ()

Betazoid chime 

The Betazoid chime was a small, crystalline, octagonal instrument that was played with a little hammer.

On Betazed, it was customary to strike the chime during a meal to express gratitude for the food that is consumed. Homn struck the chime during a banquet aboard the Enterprise-D to celebrate the upcoming marriage between Deanna Troi and Wyatt Miller in 2364, () and again the following year, when Captain Jean-Luc Picard was having a private dinner with Lwaxana Troi. ()

Café des Artistes instrument 

In a holographic re-creation of the Café des Artistes from the year 2342, a musician played an instrument that consisted of a small rectangular box with several glass tubes. ()

Enaran musical instrument 

The Enaran musical instrument was a telepathically controlled instrument from the planet Enara Prime.

The player had to put their hand on a glowing semi-globe and focus the thoughts. Depending on what they felt, a different melody would emerge.

Jor Brel mastered this instrument and taught Captain Kathryn Janeway telepathically how to play it. However, the feeling was a little overwhelming for the captain.
Jora Mirell also composed music for this instrument. ()

Gelrakian instruments

Gong 
The Gelrakian gong was seemingly used to signal the beginning of a trial by combat ceremony on Gelrak V.

In 2380, Gernba struck the gong to initiate trial by combat between Commander Jack Ransom and Vindor. ()

Horn 
The Gelrakian horn resembled a purple conch shell, and had light blue crystalline protrusions that glowed when the horn was blown. It was apparently used as a signal during battle.

In 2380, during a mission to Gelrak V gone awry, an away team from the  was met with a barrage of Gelrakian spears, followed by a Gelrakian blowing into a horn of this type. ()

Instrument in Quark's 

An alien musician played a percussion instrument at Quark's when it was re-opened after the Cardassians withdrew from Bajor and the station in 2369. ()

Kriosian musical instrument 

The Kriosian musical instrument was a large instrument from the planet Krios that was similar in appearance to an Earth xylophone.

A Kriosian instrument of this kind was part of the holographic re-creation of the Temple of Akadar that was to be the setting of the marriage between Alrik of Valt and Kamala of Krios.

It was part of the wedding ceremony to play the instrument according to a certain discipline, called torze-qua. As Ambassador Briam was unable to attend the ceremony, Kamala taught Captain Jean-Luc Picard how to play the instrument. ()

Mataline II piano 

The Mataline II piano was a small, portable variant of an Earth piano. It produced sounds similar to those of a standard piano.

Nella Daren played a small-scale piano from Mataline II that could be rolled up for transport. The black keys were gold-colored on this model. ()

Meridian harp 

This harp-like instrument was played by a musician on the planet Meridian in 2371. He later played the instrument again during the day and night. At night, he had several spectators listening to his music. ()

Novan instruments 
The Novans on Terra Nova created several musical instruments out of the skulls and bones of Diggers they had gutted in their gutting room. In 2151, Malcolm Reed listened to music performed by several Novans in their underground tunnels and caves. ()

Wheel harp 

The wheel harp was a wheel-shaped, harp-like string instrument played by a follower of Sevrin. ()

Risian lute 

A Risian lute was a musical instrument that was very similar to a Vulcan lute, and was played by Risians. ()

Taresian chime 

A Taresian chime was a small, octagonal, crystalline instrument that was struck with a small hammer.

This chime was struck several times during a traditional Taresian wedding. ()

Trill piano 

The Trill possessed two known types of pianos during the late 23rd and 24th centuries. 

Varieties included a small piano-like instrument that could be easily transported, and a larger, stationary model. Joran Dax was a talented player of these instruments. ()

Vulcan bells 

Vulcan bells were a traditional Vulcan musical instrument used during Vulcan weddings. Its design consisted of several small s in a metallic, hexagonal frame.

Special bell carriers rang these bells during a Vulcan marriage, or during the kal-if-fee. ()

Spock kept a set of Vulcan bells in his quarters aboard the  in 2257. () He still kept the bells in his quarters in 2268 and 2269. ()

Commodore Oh, a Vulcan-Romulan hybrid who had infiltrated Starfleet, kept a set of Vulcan bells in her office at Starfleet Headquarters in 2399. ()