A major third may give some octaves.Logical formLearned from1 sentences. A violinist may play octaves.Logical formLearned from1 sentences. A quality of octaves may be explained.Logical formLearned from1 sentences. A principle of an identity of octaves may produce a result.Logical formLearned from1 sentences. Octaves may undergo poverty.Logical formLearned from1 sentences. A principle of an identity of octaves may operate in a direction.Logical formLearned from1 sentences. Compartments can be of some octaves.Logical formLearned from1 sentences. Writing can be in octaves.Logical formLearned from1 sentences. A fingering can be for notes of some octaves.Logical formLearned from1 sentences. A compass may consist of some octaves.Logical formLearned from1 sentences. Some octaves can be with flute.Logical formLearned from1 sentences. A compass of a flute can be octaves.Logical formLearned from1 sentences. A cymbalom of gipsies may have a range of some octaves.Logical formLearned from1 sentences. A trumpet may double some octaves.Logical formLearned from1 sentences. A compass of anglais may extend over some octaves.Logical formLearned from1 sentences.