囧,上面是我……忘记登陆了。还找到了这么一段
In 1975, the band left for a world tour with each member in Zandra Rhodes-created costumes and banks of lights and effects. They toured the US, headlining for the first time, and played in Canada for the first time in April. Also at this time, the band's manager Jim Beach negotiated the band out of their Trident contract. They considered options, one of whom was Led Zeppelin's manager, Peter Grant. Grant wanted them to sign with Led Zeppelin's own production company, Swan Song Records.
This was unacceptable to Queen, so instead they contacted Elton John's manager, John Reid, who accepted the position.