أرسل هذا في رسالة قصيرة: Effects of sight-singing and listening on singing performance of children aged 6-11

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| '--' ||  | / \ || / //---`'  | ||__    `____ `  
| .--. ||  | \_/ || \ \\___    | ||__    /___//   
|_|| |_||   \___//   \_____||  |_____||  `__ `    
`-`  `-`    `---`     `----`   `-----`   /_//     
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