Chess - Scandinavian (for white) - Nf6 Bg4-part 1

Lines from the video: [Event “?“] [Site “?“] [Date “????.??.??“] [Round “?“] [White “ Bg4!? - Part 1“] [Black “?“] [Result “*“] [ECO “B01“] [Annotator “MWP“] [PlyCount “35“] 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 $1 (4. Bb5 {Shaw, Sielecki, Papp} Nbd7 5. f3 Bf5 6. Nc3 a6 7. Ba4 b5 8. Bb3 Nb6 9. Nge2 Nfxd5 10. Nxd5 Nxd5 11. Ng3 Bc8 $1 $14 {(With the idea of playing g6,Bg7,0-0)}) 4... Bf5 5. g4 $1 {Smerdon} (5. Bb5 c6 6. dxc6 Qa5 $44 {Womacka,M-Krivoshey,S, INT 2005}) (5. c4 e6 6.