Answer by  
                                                                                          dotfret (282)
                                                            
                          
                          
                                                          You have to be in the band to know the real answer - but the first vinyl was a radio promo of "Make It" released in 1973 (a promo has a short version A side and full track B side, 7" 45rpm). A promo of "Mama Kin" was also released, both to promote the first album.