Melody – the line you sing along to
When we remember a song, it is almost always the melody. It is the building block that most immediately means "music" to us: a succession of notes we hear not as separate events but as one connected thought, a line with a beginning, tension and a goal.
What holds a melody together
A melody is more than a string of notes. For individual notes to become a line, two things must come together: the pitches (which notes, higher or lower) and the rhythm (how long, in what order in time). This is exactly where it shows that no building block stands alone: take away a melody's rhythm and a pale scale remains; take away its pitches and mere tapping remains. Only both together produce what we recognise and sing along to.
The decisive thing is the contour – the rise and fall of the line. Our memory often retains less the exact notes than the shape of the motion: does the melody climb, does it fall, does it leap far or step in small steps? This contour is the real "fingerprint" of a melody.
Steps and leaps
Melodies move in two ways. The step leads to the immediate neighbouring note – that is the soft, singable motion that shapes nursery rhymes and chorales; it is easy to sing and feels flowing. The leap skips one or more notes and sets an accent, a gesture, often a dramatic climax. Large leaps are effective but should be used sparingly: most catchy melodies step for the most part, and the single leap gains its effect precisely by being the exception.
The distance between two notes is called an interval – the third building block will live off this. For melody, the feeling is enough at first: small intervals connect, large ones separate and highlight.
Motif, phrase and arch
Melodies are structured like language. The smallest meaningful unit is the motif – a short, striking sequence of notes, often only two to four, that sticks in the memory and recurs. Think of the four famous opening notes of Beethoven's Fifth: a motif from which a whole movement grows. Several motifs combine into a phrase, the musical counterpart to the sentence, at whose natural point you take a breath when singing. And just as in conversation question and answer follow one another, in music two phrases often answer each other: the first opens and leaves things hanging (antecedent), the second closes and settles (consequent).
Repetition, variation and tension
What lifts a melody beyond mere prettiness is the play with expectation. Repetition gives support and recognition – which is why the chorus returns. Variation takes the familiar and changes it slightly, so that it seems familiar and yet new. And the climax: almost every good melody strives towards a highest note or a densest point and releases afterwards. This rising and falling is what lets us "experience" a melody instead of merely hearing it.
Just as important is the goal note. Melodies have a centre, the tonic, towards which they strive. If a phrase ends on this note, we feel rest and closure; if it ends on another, tension remains that calls for continuation. It is precisely this feeling of "open" and "closed" that leads over to the next building block.
Hearing a melody and shaping one yourself
Whoever wants to perceive melodies more consciously attends, while listening, to three questions: where is the line moving – is it rising or falling just now? Where is its highest point? And where does it "breathe", that is, where do the phrases end? For inventing your own, a simple rule of thumb applies: step for the most part, set an accent with one leap, steer towards a climax and then find your way back to the tonic. From these few principles alone, melodies emerge that you can sing along to and remember.
From the one-after-another to the at-the-same-time
A melody rarely sounds alone – it rests on notes that sound at the same time. What sounds together and why is explained by the next building block.