The composers are not required to make their new pieces sound like Bach's, but they do need to stick closely to the original instrumentation.

NPR: Bach and Beyond: Orpheus Plays Carnegie Hall

They tend to stick very closely to the boundary between the lunar maria and the lunar highlands.

FORBES: Active Moon? Recent Lunar Surface Phenomena May Signal Some Form Of Volcanism

In fact, all Northern Resident male orcas stick closely to their mothers.

BBC: A quest to see Canada��s orcas in the wild

Gatti believes that shoppers will stick closely to their budgets this year.

FORBES: Magazine Article

Those that copy the mayoral model will get the most independence and those that stick closely to their current scheme will receive the least.

ECONOMIST: City government

Both stick closely to the political centre.

ECONOMIST: Lexington

Despite the strong push from most to stick with US stocks, some of the other world markets are acting better and should be watched closely as they may present the best opportunities for 2013 .

FORBES: The Week Ahead: Should You Invest Overseas?