30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio recording radio show

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio with band

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.