7813998|12 Etudes for violin on technical problems in performing contemporary music - 4|239636|Njagul Tumangelov|716594|Njagul Tumangelov plays Bruch, Zamecnik, Vladigerov|1835728|114|1|1|0|4587837|1835728|23|0|0|8977936|2557710|2783593|0|000wwjTT1cxRK8|001YUio12yAfJu|003TCled3Siee8