Guitarist 's impact upon 's career cannot be overestimated. Before the German teenager's arrival (he was only 19 when he jumped ship from ), the British rockers' early albums of half-baked space rock had been completely ignored everywhere but Japan. But with on board, the group's sound received a well-needed attitude injection, veering toward the Anglo-hard rock style that would make them famous. That is not to say that their first collaboration, , was an instant home run. Quite the contrary, as the band seemed a tad wary of giving 's more aggressive style complete freedom to roam, reining in the budding guitar hero just enough to stunt the impact of promising rockers like and Likewise, are bogged down in excessive acoustic guitars, while shows glimpses of their failed space rock past. And one need only look at standout track for further proof of the group's uncertainties. Later a mandatory concert staple, and still beloved as a fan favorite, the original version featured here doesn't even have what you'd call finished lyrics, and packs none of the fire eventually immortalized by the absolute monster performance captured on 1979's . In fact, the only moment in which truly ignites is during the scorching already a tour de force even here. Ultimately, amply manages to hold its own, but only hints at what was still to come. ~ Eduardo Rivadavia