RGH (Reset Glitch Hack) is the modern equivalent for newer dashboards (2.0.15574 and beyond). It glitches the CPU to run unsigned code. 99% of modded Xbox 360s today are RGH. If you are downloading "Michael Jackson The Experience -Jtag RGH-," it means the file is prepared for both systems.
"Michael Jackson: The Experience" is a licensed rhythm/dance game originally released for multiple platforms (Wii, PlayStation 3, Xbox 360, Nintendo DS, PSP, and later mobile). The JTAG/RGH mention refers to modified Xbox 360 consoles: Michael Jackson The Experience -Jtag RGH-
Fix: This is a region lock issue. Michael Jackson has different PAL (Europe/UK) and NTSC (USA/Japan) builds. If you have a PAL game on an NTSC RGH, change your console region in Dashlaunch to “Europe.” Or, patch the default.xex using XEXTool to make it region-free. RGH (Reset Glitch Hack) is the modern equivalent
Michael Jackson: The Experience is a Kinect game, but it is notoriously known for having "lag" issues, specifically with the video playback and tracking. If you are downloading "Michael Jackson The Experience
This format mimics digital Xbox Live Arcade or Games on Demand titles. It appears in the standard NXE dashboard.