價格：免費
檔案大小：8.5 MB
版本需求：需要 iOS 9.2 或以上版本。與 iPad 相容。
支援語言：德語, 英語
The usual opera libretti available in all book stores around the world do not give sufficient helpf to the opera lover who is not familiar with music reading to understand the intermingling of singing voices in duets, terzets etc. till up to big ensemble-scenes in operas. TEXT SCORE SYSTEM, instead, is revolutionary in this respect and offers help to make up for this disadvantage...
支援平台：iPad