Classically, Türküs can be grouped into two categories according to their melodies: Kırık havalar: These have regularly rhythmic melodies. Following subtypes belong to this category: deyiş, koşma, semah, tatyan, barana, zeybek, horon, halay, bar, bengi, sallama, güvende, oyun havası, karşılama, ağırlama, peşrev, teke zortlatması, gakgili havası, dımıdan, zil havası, fingil havası. Uzun havalar: These have non-rhythmic or irregularly rhythmic melodies. The following subtypes belong to this category: barak, bozlak, gurbet havası, yas havası, tecnis, boğaz havası, elagözlü, maya, hoyrat, divan, yol havası, yayla havası, mugam, gazel, uzun hava (is used for the ones which don't fit into any other subtype) Varieties of style, scales, and rhythm Music accompanied by words can be classified under the following headings: Türkü (folksongs), Koşma (free-form folk songs about love or nature), Semai (folk song in Semai poetic form), Mani (a traditional Turkish quatrain form), Dastan (epic), Deyiş (speech), Uzun Hava (long melody), Bozlak (a folk song form), Ağıt (a lament), Hoyrat, Maya (a variety of Turkish folksong), Boğaz Havası (throat tune), Teke Zortlatması, Ninni (lullaby), Tekerleme (a playful form in folk narrative), etc. These are divided into free-forms or improvisations with no obligatory metrical or rhythmic form, known as "Uzun Hava", and those that have a set metrical or rhythmic structure, known as "Kırık Havalar" (broken melodies). Both can also be employed at the same time. Music generally played without words, and dance tunes, go by the names Halay, Bengi, Karsilamas, Zeybek, Horon, Bar, etc. Each region in Turkey has its own special folk dances and costumes. Here are some of the most popular: Hora - A type of circle dance, also known as Syrtos. Horon - This dance is from Black Sea region, was performed by men only living in Trabzon, dressed in black with silver trimmings. Today, the dancers link arms and quiver to the vibrations of the kemenche (an instrument similar to violin). Kasap Havası/Hasapiko - Kaşık Oyunu - The Spoon Dance is performed from Konya to Silifke and consists of gaily dressed male and female dancers 'clicking' out the dance rhythm with a pair of wooden spoons in each hand. Kılıç Kalkan - The Sword and Shield Dance of Bursa represents the Ottoman conquest of the city. It is performed by men only, in Ottoman battle-dress, who dance to the sound of clashing swords and shields, without music. Zeybek - In this Aegean dance, dancers, called "efe", symbolize courage and