For the answer to the question above, in some cases with <span>some pieces, two or more tone rows may be heard progressing at once, or there may be parts of a composition which are written freely, without recourse to the twelve-tone technique at all.</span>
When the prehistoric people trekked into south America toward the end of the ice age,they found a wondrous,lush continent inhabited by all manner of strange creatures like giant ground sloths and car size armadillos.
These hunter gatherers proceeded to behave like invasion species,with their population surging the crashing as they relentlessly depleted natural resources.
Then after that alot more people mustered that area,with crops and animals
