It is a solicitation from the Dallas Symphony and seems legitimate.
Non-profit Organization
Recent comments:
1
Dec 9, 2016
Calls several times a week but does not leave a message. I block my number and call back but get a busy tone. According to the call app on my phone this number belongs to the Dallas Symphony Orchestra.
Other
2
Mar 16, 2017
Called my house phone, but left no message. Caller ID shows "DS".
Other
3
Apr 25, 2017
It is a solicitation from the Dallas Symphony and seems legitimate.