A violinist may pertain-to an orchestra.Logical formLearned from23 sentences. A female may perform with orchestras.Logical formLearned from23 sentences. Chairman may pertain-to an orchestra.Logical formLearned from23 sentences. An orchestra may pertain-to a prague-chamber.Logical formLearned from23 sentences. Concert can be with an orchestra.Logical formLearned from23 sentences. A male may serve as conductor of an orchestra.Logical formLearned from23 sentences. An orchestra may pertain-to a singer.Logical formLearned from23 sentences. A member can be constituted-of-or-filled-with orchestra.Logical formLearned from23 sentences. Variations can be for orchestra.Logical formLearned from23 sentences. A member may pertain-to a (jazz orchestra).Logical formLearned from23 sentences. A male may become (music director) of an orchestra.Logical formLearned from23 sentences. A composer may conduct an orchestra.Logical formLearned from23 sentences. A (conductor laureate) may pertain-to an orchestra.Logical formLearned from23 sentences. A (string section) may pertain-to an orchestra.Logical formLearned from23 sentences. A (roof orchestra) may pertain-to a US-city.Logical formLearned from23 sentences.