Short answers, pulled from the story.
DJ Milo Johnson, known as DJ Nature, is widely credited with creating the local sound that would become trip hop. He gathered a group of DJs and MCs on council estates to play music for public spaces under the name Wild Bunch.
Massive Attack released Blue Lines in 1991, achieving huge success in the United Kingdom. Shara Nelson provided R&B vocals on the orchestral hit single Unfinished Sympathy from this record.
Portishead won the Mercury Music Prize in 1995 as the best British album of the year for their debut album Dummy. The band featured Beth Gibbons alongside Geoff Barrow and Adrian Utley.
Trip hop tracks often feature Rhodes pianos, saxophones, trumpets, and flutes within these compositions. Unconventional instruments like the theremin or Mellotron sometimes enter the mix to create an atmospheric tone.
The Wild Bunch crew mixed Jamaican dub rhythms with hip-hop beats to create a laid-back, slow tempo style that differed from the fast-paced house music gaining popularity elsewhere in Europe. This approach created party music for economically deprived areas where some members originated.