VOA慢速英语:Guitar Heroes, Before Anyone Even Heard of a Video Game

no other没有别的

例句：There is no other way of settling the situation.
      没有别的办法来处理这个局势。

2.And rock and roll music would almost be impossible without this instrument.

without虚拟语气

非真实条件句中的条件从句有时不表示出来，只暗含在短语或上下文中，这种句子叫做储蓄条件句。常见的有but,for ,without等引导的短语，以及or, or else, otherwise, but,were it not for 等后面的分句。

例：But for your help we couldn’t have succeeded in the experiment.
如果没有你的帮助，我们的实验室是不会成功的。

例：We could have done better under more favourable conditions.
在更有利的条件下，我们能够做得更好些。

3.It looks severely damaged. But the huge hole, the names and other marks seem to add to its sound.

add to增加, 加强

例句：This lesson adds to the value of the book.
      这一课增加了这本书的价值。

      Since then, the palace has often been added to, rebuilt and repaired.
      从那以后, 那座宫殿不断得到扩建和修缮。