Any help with dates and locations on these photos PLEASE?

Dates and locations would be appreciated.
Thanks in advance

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The first is at Radio Recorders in Hollywood April of 57 sessions for Jailhouse Rock.
see http://www.elvis-collectors.com/forum/viewtopic.php?f=8&t=44860

The second is at Audobon Dr. but I forget the date. There's a thread about it http://www.elvis-collectors.com/forum/viewtopic.php?f=8&t=53101.

The fourth is with Nick Adams at the Mid South fairgrounds in Memphis September of 56 and the fifth I beleive is October 5, 56 in LA.

Dates and locations would be appreciated.
Thanks in advance

#1 Jailhouse Rock recording session, Hollywood, CA. April 1957
#2 Audubon Drive, Memphis, TN. 30th September 1956
#3 MGM Studios, Hollywood, CA. March 1957
#4 Mid-South Fairgrounds, Memphis, TN. September 1956
#5.Los Angeles, CA. 5th October 1956

#4, September 29, 1956 at the Mid-South Fairgrounds in Memphis

Sincerely
Brian
www.brian56.dk

You guys are the BEST. Thanks again