Economy of Nigeria imports a significant amount of food to sustain itself. However, efforts are being made towards making the country food sufficient again. Nigeria's proven oil reserves are estimated to be ; natural gas reserves are well over . Nigeria is a member of the Organization of Petroleum Exporting Countries (OPEC). The types of crude oil exported by Nigeria are Bonny light oil, Forcados crude oil, Qua Ibo crude oil and Brass River crude oil. Poor corporate relations with indigenous communities, vandalism of oil infrastructure, severe ecological damage, and personal security problems throughout the Niger Delta oil-producing region continue to plague Nigeria's
River City Brass Band from most brass bands in that the instrumentation has been altered. French Horns are used instead of alto horns, and an Eb soprano trumpet is employed in place of a soprano cornet. The result of the soprano trumpet is a lighter, brighter, more "orchestral" sound than the traditional brass band. The Band has been a featured performer at the Adelaide Festival of the Arts (Australia), Musikfest (Pennsylvania), Chautauqua Institution (New York), New Zealand International Festival of the Arts, Interlochen Center for the Arts, (Michigan), and Thalian Hall (North Carolina), among many other venues across the world. Since 1986, River City