Title: Ef (band)
Content:  Ef is a post-rock band from Gothenburg, Sweden. Using little vocals, they feature a wide variety of instruments. Their debut album Give me beauty... Or give me death! was released in May 2006. They had several tours with shows in various European countries. In February 2008 the band released their second album I Am Responsible, with a tour through The Netherlands and Germany, starting March. On March 21 2008, it was announced on their website that bass player Mikael Hillergård had left the band.
Title: Ef: A Fairy Tale of the Two
Content:  opening theme for Ef: A Tale of Memories, starting with episode three, is the English version of "Euphoric Field" by Tenmon featuring Elisa. The first episode used a background music track for the opening theme, and the second and tenth episodes had no opening theme; the English version of "Euphoric Field" was also used for the ending theme in episode two. The Japanese version of "Euphoric Field" was used as the opening theme for the twelfth episode. The opening theme single was released on October 24, 2007 by Geneon. The first ending theme for the anime is "I'm here" by Hiroko Taguchi which was used for episodes one, 
Title: Ef: A Fairy Tale of the Two
Content:  anime, manga, and visual novels. The first letter in each episode's title, plus the "coda" title of the last episode, can be brought together to form "Euphoric Field". The series was released in six limited and regular edition DVD compilations, each containing two episodes. The first DVD volume was released on December 7, 2007, and the sixth DVD was released on May 9, 2008. A second season entitled Ef: A Tale of Melodies aired 12 episodes between October 7 and December 22, 2008 in Japan. The license holding company Sentai Filmworks licensed both Ef anime series. The DVD and Blu-ray Disc box sets of Ef: A Tale of Memories were released on January 31, 2012 in North America with an English dub, and the Ef: A Tale of Melodies box sets were released on March 20, 2012.
Title: List of Ef episodes
Content:  adaptation entitled Ef: A Tale of Melodies. is produced by the same staff as with the first series, and contains the same cast of voice actors. Ef: A Tale of Melodies began airing in Japan on October 7, 2008 on TV Kanagawa. Very much like the first season, the first letter in each episode's title reveals a hidden meaning. The first six episodes spell out the word "future" backwards with the following six episodes having the prefix "re-" attached to five of the first six episode titles, but introduced in reverse. For example, episode six is entitled "flection" and episode 
Title: Ef: A Fairy Tale of the Two
Content:  Planning for Ef started in 2004 headed by Nobukazu Sakai (also known as nbkz), who is the main producer for Minori. The director for Ef was Mikage, who was also one of the main scenario writers along with Yū Kagami. Character design for Ef was headed by two artists, Naru Nanao who drew the female characters, and 2C Galore who drew the males. The opening movie animation was done via a collaboration between the animation studio Ajia-do Animation Works and Makoto Shinkai. Music in the Ef series was provided by Tenmon, who was the sole composer for Ef: The First Tale, and was accompanied by Eiichirō Yanagi for additional music used in Ef: The Latter Tale. It cost Minori over 100 million yen to produce the Ef series. A 
Title: Efya
Content: Single and Married (2012) 
Title: Ef: A Fairy Tale of the Two
Content:  The opening theme song for Ef: The First Tale is "Yūkyū no Tsubasa" (悠久の翼) by Hitomi Harada which was released as a maxi single called "Eternal Feather" on October 27, 2006. For Ef: The Latter Tale, the opening theme is "Emotional Flutter", and the ending theme is "Ever Forever"; the single containing the two themes was released on April 11, 2008. Ef: A Fairy Tale of the Two original soundtrack, Alato, was released on February 27, 2009 containing three CDs. The PlayStation 2 version released by Comfort will include an image song CD in the game disc, which will contain a song called "Echt Forgather" by Hitomi Harada. 
Title: Ef: A Fairy Tale of the Two
Content:  no Tsubasa 07.mix" (悠久の翼 07.mix) sung by Yumiko Nakajima was used as the ending theme in episode twelve. The single for this (entitled "Yūkyū no Tsubasa 07.mix / Euphoric Field live.mix") was released on September 26, 2008. The first original soundtrack for the anime series (Espressivo) was released on February 8, 2008, and the second (Fortissimo) was released on April 2, 2008. The opening theme of Ef: A Tale of Melodies is the English version of "Ebullient Future", also by Tenmon featuring Elisa, with the sixth episode featuring the instrumental version and episode eleven with the second verse. The opening sequence is shown to change many times; 
Title: Ef: A Fairy Tale of the Two
Content:  player must go back to a previously saved spot and choose different decisions. For Ef, Minori attempted to create a movie-like experience, using a lot of animated two-dimensional computer graphics presented from various angles. Instead of presenting the visuals straight-on with a character's image in the middle of the screen and the character being the main focus, the character images in the Ef series are off-center and appear closer to "event" computer graphics (CGs) in typical visual novels. These types of CGs occur at certain pivotal times in a visual novel's story and are meant to be artistic and much more detailed than normal visuals.
Title: Efya
Content:  In an interview with Danai Mavunga of ARISE magazine, Efya described her sound as Afro soul with a hint of pop. She said her sound fluctuates depending on how she feels and who she's working with. In another interview posted on Modern Ghana's website, Efya cited Kojo Antwi, Aretha Franklin and The Temptations as her key musical influences. Moreover, she stated that she was into old school jazz and highlife growing up.

Question: What genre is Ef?
Answer: post-rock.