Year 661 (DCLXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 661 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Armin van Buuren (Dutch pronunciation: [ˈɑr.mɪn vɑn ˈby.rə(n)]), OON (born 25 December 1976 in Leiden, Netherlands) is a Dutch trance producer and DJ. Between 2007 and 2010, he was voted number one in DJ Magazine's annual top 100 list of the most popular DJs. In the 2011 list, he ranked in second place. Since 2001, Van Buuren has hosted a weekly radio show called A State of Trance, which claims to have around 15 million weekly listeners in 26 countries, which would make it one of the most listened-to radio shows in the world. His 2008 studio album, Imagine, entered the Dutch album chart at #1, a first for a dance music artist in Dutch music history.

Armin van Buuren was born in Leiden, Netherlands on 25 December 1976, but grew up in Koudekerk aan den Rijn. Van Buuren started making music when he was 14.^{[citation needed]} He was inspired by French electronic music composer, Jean Michel Jarre, and wished to become a great electronic music composer like Jarre.^{[citation needed]}

He finished high school at the Stedelijk Gymnasium Leiden in 1995, and left for college to study law at Leiden University. While studying law, Van Buuren's interest for making music blossomed, and he began working as a DJ in a local club called Nexus. As his musical career began to take off, he put his law degree on hold, although he did return to finish law school in 2003.

Ellie Lawson is a British folk music singer-songwriter.

Ellie Lawson is a British Acoustic/Folk/Pop writer and recording artist. Born in South London, the vocalist/lyricist/musician/composer has released 2 albums independently and recently co-wrote and recorded 3 singles with Dutch Trance producers.

Ellie is an ambassador for the clothing brand Quiksilver Women and in 2010 toured Quiksilver stores in the UK and Ireland as part of her sponsorship deal. The singer who was previously signed with Atlantic records in the USA with her debut album was championed by chat show host Ellen De Generes where Ellen predicted live on air that Ellie would become 'the hugest, hugest star.' Ellie has tracks produced by William Orbit and DJ Lethal who signed her to his production company alongside lawyer/Publishing head/Manager David Mantel for her first album The Philosophy Tree.

The independent Singer-Songwriter has her own label called 'Create your Own reality' and previously sold 25,000 records with the USA book retailer Barnes and Noble. Lawson's performances include opening for the BBC presenter Jimmy Doherty's festival where KT Tunstall and Jose Gonzalez headlined, the Abbey Road studios as part of the Brit awards, Sundance film festival, Relentless Boardmasters festival and many others.