Khayen (/ˈkɛn/; b gʋlsd-a "Can" ne Ingɛrsa; Lao: ແຄນ; Thai: แคน, RTGS: khaen, b sẽn boond tɩ [khɛ̄ːn]; Khmer: គែន - Ken; Vietnamese: khèn) yaa Lao noorã yĩn-kãnga, a pipã sẽn yaa b sẽn maand ne bambu, sẽn yaa ne gãag sẽn yaa gãag ne gãagã. Khenã yaa Laos tẽnga tʋʋm-teedã.[1][2] Khenẽ wã yaa bũmb sẽn pa tõe n welg ne Laos vɩɩmã sẽn kengd zakã ne nin-buiidã zems-n-taar [3] la b gʋls-a-la UNESCO sẽn yãkã pʋgẽ yʋʋmd 2017 pʋgẽ.[4] A yaa Lao Isan buudã la Tao buud-goam kẽer sʋka, wala Tai dam Vëtnam tʋʋr-n-tʋʋr la Lao neb sẽn be Stung Treng tẽngẽ wã. A yaa lakhon ken, Cambodian wã sẽn yaa dansã drama buud sẽn tar khene wã n yaa instrument ning sẽn yaa kãseng n yɩɩd wã.[5][6]
Kene wã tũnugda ne ligdi sẽn yaa toor sẽn ka to sẽn yaa wa ligdi la/ wall sãnem. A yaa bũmb sẽn be ne tẽns nins sẽn be Zapõ wã sẽn tar bĩng sẽn pa tar bĩnd n boond tɩ "sheng" wã, wala yɩɩl nins sẽn boond tɩ harmonium, concertina, accordion, harmonica la bandoneon wã. [Tõnd sẽn na n tool-y neda]
Khenã tara lai, wall pentatoni wã sẽn yaa to-to, la a yaa buud a yiib (thang san la thang yao). A thang san zakã pʋgẽ, b beeda lai sutsanaen (G A C D E), lai po sai (C D F G A), la lai soi (D E G A B), la a thang yao zakã pʋgẽ, yaa lai yai (A C D E G) la lai noi (D F G A C). Lai po sai yaa buud-goam nins sẽn yaa pĩnd n tar pãng n yɩɩd buud-goams nins fãa, la Lai sutsanaen yaa "Lai Khaen ba". [ ] Khen tõe n yɩɩ yɩɩ yɩɩl wa b sẽn boond tɩ solo instrument (dio khene), wala b sẽn boond t'a wong pong lang la khene wong), wall b sẽn boond n'a a meng tɩ Lao bɩ Isan solo yɩɩl-gʋlsda (mor lam). A yɩɩla ne yɩɩl sẽn boond tɩ phin.
B sẽn gʋls yɩɩl nins b sẽn gʋls n kõ instrumentã yaa a Annea Lockwood, a Christopher Adler, a David Loeb la a Vera Ivanova.