Correct Kent.
It is the traditional wood used for making bows for violins, cellos etc
Brazil was named after this tree (Brazilwood) Pernambuco is in Brazil
Apparently, it is in the pea family of trees!
http://www.wood-database.com/lumber-identification/hardwoods/brazilwood/
Here's a list of pea family members that I cut and pasted from wikipedia, I think you'll recognize a number of tone woods, and maybe some potential tone woods.
Fabaceae: The Legume Family (The Pea Family)[edit]
Acacia – Acacias and Wattles
Acacia albida – Winter Thorn Acacia
Acacia aneura – Mulga Acacia
Acacia angustissima – Prairie Acacia
Acacia baileyana ‘Purpurea’ – Purple-Leaf Acacia
Acacia choriophylla – Cinnecord
Acacia crassifolia – Butterfly-Leafed Acacia; Bauhinia-leafed Acacia
Acacia dealbata – Silver Wattle
Acacia farnesiana – Sweet Acacia
Acacia greggii – Catclaw Acacia
Acacia koa – Koa
Acacia longifolia – Sydney Golden Wattle
Acacia macracantha – Longspine Acacia
Acacia mearnsii – Black Wattle
Acacia melanoxylon - Australian Blackwood
Acacia pendula – Weeping Acacia
Acacia pycnantha – Golden Wattle
Acacia tortilis – Umbrella Tree; Tortilis
Acacia tortuosa – Huisachillo
Acacia xanthophloea – Yellow-fever Tree
Albizia – Silk Trees and False Acacias
Albizia julibrissin – Silk Tree; Mimosa; Pea Shame
Albizia lebbeck – Lebbeck; Woman’s Tongue
Albizia saman - Saman, Rain Tree and Monkeypod
Bauhinia – Orchid Trees
Bauhinia purpurea – Purple Orchid Tree
Bauhinia variegata – Pink Orchid Tree
Bauhinia variegata var. candida – White Orchid Tree
Caesalpinia – Bird-of-Paradise Trees
Caesalpinia echinata - Pau Ferro, Brazilwood, Pau-Brasil, Pau de Pernambuco, Pernambuco tree, Nicaragua wood and Ibirapitanga
Caesalpinia mexicana – Mexican Bird-of-Paradise Tree
Caesalpinia pulcherrima – Red Bird-of-Paradise Tree; Flowerfence Poinciana
Caragana – Asian Pea Trees
Caragana arborescens – Siberian Pea Tree
Cassia – Senna
Cassia leptophylla – Gold Medallion Tree
Cassia marilandica – Wild Senna
Cassia occidentalis – Coffee Senna
Centrolobium '
Centrolobium Robustum – Canary Wood
Ceratonia – Ceratonia Trees
Ceratonia siliqua – Carob Tree
Cercis – Redbuds
Cercis canadensis – Eastern Redbud
Cercis occidentalis – Western Redbud
Cercis siliquastrum - Judas Tree
Cladrastis – Yellowwoods
Cladrastis kentukea – Kentucky Yellowwood
Dalbergia – (The true Rosewoods)
Dalbergia bariensis – Burmese rosewood
Dalbergia baroni – Madigascar Rosewood, Madaga
Dalbergia congestifloria – Kingwood
Dalbergia decipularis – Tulipwood
Dalbergia frutescens – Pau Rosa
Dalbergia latifolia – Indian Rosewood
Dalbergia melanoxylon – African Blackwood, Mpingo
Dalbergia retusa – Cocobolo
Dalbergia stevensonii – Honduran Rosewood
Delonix – Poincianas
Delonix regia – Royal Poinciana; Flamboyant
Erythrina – Coral Trees
Erythrina caffra – Coastal Coral Tree
Erythrina coralloides – Naked Coral Tree
Erythrina falcata – Brazilian Coral Tree
Erythrina humeana – Natal Coral Tree
Gleditsia – False Locusts
Gleditsia aquatica – Water Locust
Gleditsia triacanthos – Honey Locust
Guibourtia
Guibourtia arnoldiana – Bubinga, Benge, Benzi, Bubinga
Guibourtia ehie – Amazakoue, Ovangkol, Shedua
Gymnocladus – Gymnocladus Trees
Gymnocladus dioica – Kentucky Coffee Tree
Hymenaea
Hymenaea courbaril – Jatoba, Brazilian Cherry
Inga – Sugarpod Trees
Inga edulis – Ice Cream Bean
Laburnum – Laburnum Trees
Laburnum anagyroides – Goldenchain Tree
Leucaena – Leucaana Trees
Leucaena leucocephala – Lead Tree; White Popinac
Lysiloma – Lysiloma Trees
Lysiloma latisiliquum – False Tamarind; Bahamian Wild Tamarind
Machaerium
Machaerium scleroxylon – Bolivian Rosewood, Morado
Millettia
Millettia laurentii – Wenge
Mimosa – Mimosas
Mimosa biuncifera – Arizona Ironwood; Mimosa
Parkinsonia – Parkinsonia Trees
Parkinsonia aculeata – Jerusalem-thorn, Mexican Palo Verde
Peltogyne –
Peltogyne pubescens – Purpleheart
Piscidia – Fishpoison Trees
Piscidia piscipula – Jamaican Dogwood; Florida Fishpoison Tree
Pithecellobium – Blackbeads
Pithecellobium guadalupense – Guadaloupe Blackbead
Pithecellobium saman – Monkeypod
Pithecellobium unguis-cati – Catclaw Blackbead
Platymiscium
Platymiscium polystachyum – Coyote
Prosopis – Mesquites and Kiawes
Prosopis glandulosa – Honey Mesquite
Prosopis juliflora – Thorny Kiawe; Algaroba
Prosopis pallida – Kiawe
Prosopis pubescens – Screw Bean; Tornillo
Pterocarpus – Padauk
Pterocarpus soyauxii – African Padauk; African Coralwood
Pterocarpus santalinus – Red Sanders; Red Sandalwood
Robinia – Locusts
Robinia hispida – Bristly Locust; Rose Acacia
Robinia neomexicana – New Mexican Locust
Robinia pseudoacacia – Black Locust
Robinia viscosa – Clammy Locust
Sophora – Sophoras
Sophora affinis – Texas Sophora
Sophora japonica – Japanese Pagoda Tree
Tamarindus – Tamarinds
Tamarindus indica – Tamarind
Tipuana – Tipuana Trees
Tipuana tipu – Tipu Tree; Rosewood
