How do you know where to divide a word in your melody? Each syllable needs a note, but which note? (see 101b) Which count?   In all time signatures, count 1 gets an accent, so put accented syllable there if it fits.  Example: "Resounding drum crashes puncture the air."
(1) Since "-sound-" is the accented (louder) syllable of the the first word, it needs to be on count 1.  So "Re-" is the last count of your previous measure. At this point, it doesn't matter if it's 3/4 or 4/4 or etc. time.
(2) Both "crashes" and "puncture" are cool color-packing words. Which goes on an accented count? This is where you the songwriter get to decide your time signature -- how many counts will be in each measure.  But first:  WHAT is an accented count?  Quick guide below:
Accented count just means which one is louder, which helps you keep the beat.
-- 3/4 time (also called waltz time since you can sway to it... think of cobra dances:), puts the accented count first, on 1 so you have (LOUD soft soft), Lss, in your measure.
-- 4/4,  Count 1 is louder but count 3 is medium loud, more than others, not as much as Count 1: LsMs.
-- 6/8 time is similar to 3/4 except that the 4th count is not as loud as the first:  LssMss.
-- 7/4 time is a cool off-beat I love for my rock songs... LssMsss  OR you can choose LsssMss.  Just add up to 7.
These all assume "quarter notes" but that's perhaps TMI (too much info... not really needed unless you want to count half notes in 2/2 time, etc..... let's not, shall we?!)
(3) So, back to the question, which syllable do you next accent in: "Resounding drum crashes puncture the air"?  It's your fun as the songwriter to decide what sounds good to you, what matches the 'music in your head'. Here are some possibilities, where underlines represent music rests:
EXAMPLE  1 ... 3/4  time (3 counts per measure)
Emphasize the syllables "CRASH" and "PUNC-ture" and AIR:
___  ___  Re-          
SOUND- ing drum
CRASH - es ___
PUNC- ture  the
AIR     ___    ___
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EXAMPLE  2 ... 6/8  time sounds milder.
Emphasize only the syllables "PUNC-ture" and AIR:
 __ __  __  __  __ Re-
SOUND- ing  drum   Crash- es __ 
PUNC- ture  the   Air  __ __
--------------------------------------------------------------------------
EXAMPLE  3 ... 4/4  time (4 counts per measure)
 __ __  Re-
 SOUND- ing   __   __
DRUM  crash- es ___
PUNC- ture  ___ the
AIR  __ __  __
--------------------------------------------------------------------------
EXAMPLE  4 ... 7/4  time (suggested for hard rock)...
and this example begins differently, on RE, for different feeling,
and the accent is heavy on count 1, somewhat heavy on count 4:
RE- sound- ing  __ Drum crash- es
PUNC- ture __ __ Thun- der through
AIR split- ting Ears of all....
HINT:  it is easier to write 7/4 songs against a drum machine to be sure you put the syllables where they make the most impact... if you can program the beat to give a slight accent to either count 4 or 5. However, the built-in metronome accents only count 1 since it doesn't know whether you'll be giving the slight accenting to 4 or 5.
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WHICH example is right or best?  There IS NO RIGHT OR WRONG.  Hey -- this is YOUR song... Enjoy! Create whatever music your hear and want to share.   And it's a joy for me to share ideas that might bring you Joy in Easy Songwriting for Us all.
--DianaDee Osborne  ©2011
www.DiDoReflections.com has free examples with downloadable MP3's, templates, easy text-based music notation method.
