DMX's Celebration of Life, Friends and Family in Brooklyn for Memorial Service

DMX's Celebration of Life featured was an emotional event that featured his children, celeb friends, Kanye's Sunday Service Choir and a stern message from Swizz Beats to the people who failed X when he was still alive.

One of the more powerful moments of the entire ceremony came from X's friend Swizz Beats. He shared love to X's family and his late friend ... but didn't hide his anger in seeing some faces in the crowd he knew didn't have X's back when the rapper was alive.

In fact, Swizz says if anything, X's death has taught him the importance of loyalty and keeping good people in his circle.

We're told Kanye and the Yeezy creative team were behind the stage design for the memorial, and Kanye teamed up with Balenciaga to create DMX merch ... with proceeds going to his family.

X's red casket was center stage most of the ceremony and was first accompanied by his widowed fiancee Diseree and their son, Exodus. His other children eventually joined them on stage, and his final wishes of loving Jesus and family were relayed.

Some of X's children even got on the mic and spoke as well ... delivering somber remembrances of their father. One of his younger sons read a eulogy from his phone, fighting back tears ... and his daughter shared an original piece as well.

Nas took the mic at one point as well, with remarks that were brief but impactful -- with him remembering X's rise to fame and how he knew he'd become a musical icon. Nas and X starred in a movie together -- the cult classic 'Belly' from 1998.

There were other notable speakers, including some of the original Ruff Ryders ... Eve, Jadakiss, Styles P,  and Drag-On were just a few to take the mic as well. All of them thanked X for putting them on and paving the way in the biz.

DMX's family is also planning a more private funeral service Sunday, at a church in the NYC area.