I accidentally combined all the samples from this pack http://www.freesound.org/people/Vlad99/packs/13522/ and played them two octaves lower, the result was to my liking.
角組合droppitch
聲道：2
類型：wav
experimental、trumpet、soundscape、dirty、pad、drone、cluster、spooky、space、chord
試驗、喇叭、音景、臟、墊、無人駕駛飛機、簇、幽靈般的、空間、弦
資料來源：freesound ( https://freesound.org )