Question: What was the second studio album of the singer featured in the Harajuku Lovers Tour?

<P0-S0> The Verizon Ladies First Tour was a co-headlining concert tour by American recording artists Beyoncé, Alicia Keys and Missy Elliott. <P0-S1>  Canadian artist Tamia was featured as a special guest. <P0-S2>  The tour, dubbed the "urban Lilith Fair" supported Elliott's fifth studio album, "This Is Not a Test! <P0-S3> "; Keys' second studio album, "The Diary of Alicia Keys" and Beyoncé's first studio album, "Dangerously in Love". <P0-S4>  The trek visited the United States performing in over twenty cities in March and April. <P0-S5>  The outing was the first three-act show to feature three female R&B artist in a headlining role. <P0-S6>  It became one of the biggest tours in 2004, placing 34th on Pollstar's "Top Tours of 2004"—earning over 22 million dollars. <P0-S7>  The success of the tour promoted a 2005 leg but the plans were scrapped and Verzion focused on creating the Verizon VIP Tour. <SEP> <P1-S0> Harajuku Lovers Live is the first live long-form video by American recording artist Gwen Stefani. <P1-S1>  It was released on DVD on December 4, 2006, by Interscope Records. <P1-S2>  The DVD was directed by Sophie Muller and produced by Oil Factory Productions. <P1-S3>  It is a recording of one of Stefani's concerts during her Harajuku Lovers Tour 2005 in late 2005 to promote her first album, "Love. <P1-S4>  Angel. <P1-S5>  Music. <P1-S6>  Baby. <P1-S7> ", released in November 2004. <P1-S8>  The performance was recorded in November 2005, in Anaheim, California. <P1-S9>  The concert features performances of all twelve songs from "Love. <P1-S10>  Angel. <P1-S11>  Music. <P1-S12>  Baby." <P1-S13>  and two new songs from her second studio album, "The Sweet Escape", as well as interviews with the musicians and dancers and a documentary of tour preparation. <SEP> <P2-S0> Gwen Renée Stefani ( ; born October 3, 1969) is an American singer, songwriter, fashion designer, actress, and television personality. <P2-S1>  She is a co-founder and the lead vocalist of the band No Doubt that experienced major success after their breakthrough studio album "Tragic Kingdom" (1995) along with various successful singles, including "Just a Girl", "Don't Speak", "Hey Baby", and "It's My Life". <P2-S2>  During the band's hiatus, Stefani embarked on a solo pop career in 2004 by releasing her debut studio album "Love. <P2-S3>  Angel. <P2-S4>  Music. <P2-S5>  Baby. <P2-S6> " Inspired by pop music from the 1980s, the album was met with both critical and commercial success. <P2-S7>  It spawned three commercially successful singles: "What You Waiting For? <P2-S8> ", "Rich Girl", and "Hollaback Girl", the latter reached number one on the "Billboard" Hot 100 while also becoming the first US download to sell one million copies. <P2-S9>  In 2006 Stefani released her second studio album "The Sweet Escape". <P2-S10>  The album produced two successful singles: "Wind It Up" and the album's title track "The Sweet Escape". <P2-S11>  Her third solo album "This Is What the Truth Feels Like" was released in March 2016 and became her first solo number-one album on the "Billboard" 200. <SEP> <P3-S0> The Harajuku Lovers Tour was the first solo concert tour of American recording artist Gwen Stefani. <P3-S1>  The tour began through October to November 2005, to support of her debut studio album "Love. <P3-S2>  Angel. <P3-S3>  Music. <P3-S4>  Baby. <P3-S5> " (2004). <P3-S6>  Although Stefani embarked on multiple tours with her band No Doubt, she initially opted not to participate in a tour to promote her album, an attitude that the singer eventually abandoned due to the commercial success of "Love. <P3-S7>  Angel. <P3-S8>  Music. <P3-S9>  Baby."