Answer the question at the end by quoting:

Trans-Siberian Orchestra (TSO) is an American rock band founded around 1993 by producer, composer, and lyricist Paul O'Neill, who brought together Jon Oliva and Al Pitrelli (both members of Savatage) and keyboardist and co-producer Robert Kinkel to form the core of the creative team. The band gained in popularity when they began touring in 1999 after completing their second album, The Christmas Attic, the year previous. In 2007, the Washington Post referred to them as "an arena-rock juggernaut" and described their music as "Pink Floyd meets Yes and The Who at Radio City Music Hall.
Paul O'Neill has managed and produced rock bands including Aerosmith, Humble Pie, AC/DC, Joan Jett, and Scorpions, later producing and co-writing albums by the progressive metal band Savatage, where he began working with Jon Oliva (who had left Savatage to spend time with his family and take care of personal matters), Al Pitrelli and Robert Kinkel. O'Neill took his first steps into rock music in the 1970s when he started the progressive rock band Slowburn, for whom he was the lyricist and co-composer. What was intended to be the band's debut album was recorded at Jimi Hendrix's Electric Lady Studios and engineered by Dave Wittman. Although Wittman's engineering was capturing the exact sound O'Neill was hearing in his head, O'Neill was having trouble with it because many of his melodies were between two and three octaves. Rather than releasing an album that he was not happy with, he shelved the project, but continued working in the industry at Contemporary Communications Corporation (also known as Leber & Krebs), company at the time.  Over the years, O'Neill continued to work as a writer, producer, manager, and concert promoter. In 1996, he accepted Atlantic Records' offer to start his own band. He built the band on a foundation created by the marriage of classical and rock music and the artists he idolized (Emerson, Lake & Palmer, Queen, Yes, The Who, and Pink Floyd, and hard rock bands such as Aerosmith and Led Zeppelin and the multiple lead vocalists of the R&B groups the Temptations and the Four Tops). He brought in Oliva, Kinkel, and Pitrelli to help start the project. O'Neill has stated, "My original concept was six rock operas, a trilogy about Christmas and maybe one or two regular albums."  In the 1980s I was fortunate enough to have visited Russia. If anyone has ever seen Siberia, it is incredibly beautiful but incredibly harsh and unforgiving as well. The one thing that everyone who lives there has in common that runs across it in relative safety is the Trans-Siberian Railway. Life, too, can be incredibly beautiful but also incredibly harsh and unforgiving, and the one thing that we all have in common that runs across it in relative safety is music. It was a little bit overly philosophical, but it sounded different, and I like the initials, TSO.

Which rock operas did they do?





Answer the question at the end by quoting:

Ai Carina Uemura (Zhi Cun  Ai  karina, Uemura Ai Karina, born November 2, 1981), known mononymously as Ai (Japanese pronunciation: [ai], stylized as AI or A.I. ) is a Japanese-American singer and songwriter who was born in Los Angeles. Ai spent her childhood in both Kagoshima, Japan and Los Angeles. She debuted as a singer in 2000, later moving to Def Jam Japan and rising to fame with her album 2004 Ai.
As is standard for Japanese musicians, Ai has featured as a spokesperson, or has her music featured, for many products. Ai's songs have been used as TV commercial songs, drama theme songs, film theme songs and TV show ending theme songs.  Ai has worked on four major Coca-Cola TV commercial campaigns, two featuring her own songs ("You Are My Star" (2009), "Happiness" (2011)) and two featuring collaborations (K'naan's "Wavin' Flag" (2009), Namie Amuro's "Wonder Woman" (2011)). She has also been featured in two Audio-Technica campaigns (using "My Friend (Live Version)" and "I'll Remember You", a campaign for Japan Airlines ("Brand New Day") and Pepsi Nex with "I Wanna Know."  Ai's most high-profile work for a TV drama was the theme song for 2006's primetime drama Team Medical Dragon, "Believe", which was one of her greatest hits, selling over one million ringtones. Ai also sung the theme song for the drama's second series, "One." Ai also worked on the theme song for the 2010 primetime drama Keishicho Keizoku Sosahan, "Nemurenai Machi." Other program theme songs include the Japanese theme song for the American drama Heroes ("Taisetsu na Mono"), and the 15th ending theme for the children's animation Crayon Shin-chan, "Crayon Beats"). In 2005, Ai's song "Alive (English Version)" was used as an insert song for the South Korean drama Delightful Girl Choon-Hyang.  Many of Ai's songs have been used in films. Her "Story" song was remade (also with its English version) for Disney`s box office Big Hero 6 in 2014. She performed the theme song for Departures (2008), the winner of the Academy Award for Best Foreign Language Film in 2009. She has also sung the theme songs for Crayon Shin-chan: The Legend Called Buri Buri 3 Minutes Charge (2005), Pray (2005), Lalapipo (2009) and Berserk Golden Age Arc I: The Egg of the High King (2012). Her music has been featured on the soundtracks of TKO Hiphop (2005), the musical film Memories of Matsuko (2006), in which Ai cameoed to perform the song, and Heat Island (2007).

what did she endorse for?
", a campaign for Japan Airlines ("Brand New Day") and Pepsi Nex with "I Wanna Know."