Paul McCartney & Wings Band On The Run Half Speed Remaster is the 5th in the ongoing series of 50th anniversary releases. Containing the 1973 work in progress mix now called "underdubbed"

Link to buy:
1 disc vinyl (original album half speed remaster) https://amzn.to/49aw4Il
2CD (original album & Underdubbed) https://amzn.to/3Hz7g1b
2LP vinyl (original album & Underdubbed) available from Paul McCartney website