On 30 July 2008, she debuted with her first mini album Taikutsu na Coppelia under indie label Tent House.
Sentimental na Rhythm was used as a Friday's ending theme for television Kanzawa's program Hana no TV Kan-chan.
Both videoclips were included later in DVD disc of limited edition of first major studio album Hanashi wa Sorekara da.
[10] The lead tracks Kokoro to Karada, SOS and Saphire were used as a music in smartphone rhythm video game Show by Rock!!.
On 16 August, after 7 years of indie activities she made her major debut with the first single Kare ni Mamotte Hoshii 10 no koto under Giza Studio label.
On 14 November, she made her first television appearance in TV Tokyo music program Premium Melodix with the second single Zakuro no Mi.
On 15 March – 3 April, Ueda held her first album tour Hanashi wa Sorekara da.
On 25 March was final broadcast of the radio program Ueda Marie no Hebi Ichigo Daifuku.
The DVD disc includes footage from album tour Hanashi wa Sorekara da with total 10 tracks.
In the media the single served as an ending theme on August in TBS music television program Count Down TV.
DVD disc includes live footage of Lazward Piano: Aoi Haikyo with total 4 tracks.
The single has received multi usage in the media, it was served as a song in the smartphone game Show By Rock and on AbemaTV as an ending theme for online television program Minomonta no Yoru Buzz!.
[19] B-side track Rookie served as a cheering song event 2016 KAB Natsu no Koukou Yakyuu.
Another B-side track 210 Bango was in medie served as a theme song for TV Asahi television program Nagasaki Meguri: Utsuwa ni Koisuru Imadoki Onnanoko.
On 13 January – 18 February, Ueda held second album live tour Lonely Night Magic Spell.
It served as an opening theme for local television ABC Asahi variety program Bebop High-heel.
On 23 January, Ueda released her first Blu-Ray disc Live of Lazward Piano "bilberry tour" at The Globe Tokyo.
On the first day Piano Romantic Emotion are invited singer Ryoko Yamada and instrumentalist Youdai Nagakome.
In this broadcast, Ueda gave herself a challenge to write q song and film music videoclip in the span of the 25 hours.
[citation needed] On 1 October, she released her fourth digital single Stranger, which will serve as a theme song to the department store Flags to celebrate their 21st anniversary.
SPECIAL BOOK MARIE UEDA "Chronicle" released under magazine company Good Rocks.
[52] In September, on Marie's 30th birthday has launched 25 hours of live-streaming through YouTube, in which she set goal to film videoclip, record voice with instrumental parts and art-cover within the time span.
[59] During the same time has been announced the list of guests musicians for which day they will appear, includes songwriter Aika Ohno, singer Daria Kawashima and Marie's sister Mai.
The album consist of the collections of songs, which were "in the stock", majority of them written during her indies times and previously released singles.
The track "Saihate he" has been previously included in the single's Wasurena ni Kuchizuke under subtitle demo, this version has been completely re-recorded and rewritten.
On the same month she held Lazard anniversary concert "LIVE OF LAZWARD PIANO: Aoi Hata" in Tokyo.
On 31 March 2023, Marie staff has announced through her official website of not renewing contract with the agency Giza Studio and will continue her musical activities as an independent artist from May.
[66] In September 2023, Marie announced through her website one-man series of live concerts titled "Ueda Marie Major debut, 10 YEAR kinen Live: Kirameki to Tameiki" through entire Japan, scheduled to start from January and ending in December 2024.
[67] In November 2023, Marie made guest appearance at the Japan Culture-Con festival held at Dubai, United Arab Emirates.
[68] Female musicians who Ueda was influenced or admired are Hikaru Utada, Shiina Ringo, Yuko Ando, Chara, Yuki the vocalist of Judy and Mary, Yoeko Kurahashi and Salyu.