Generic Intervals

An interval is the distance between two notes.

The first thing to know is that we think of the bottom note as 1, and count up from there.

Let’s take them one at a time.

1st (Unison)

When both notes are the same, it is simply a 1st.

A 1st is also called a Unison, or a Prima.

and C:

Unison on staff

Note: When writing a 1st we place the notes right next to each other.

unison on staff

2nd (Second)

A 2nd is any note and the note above it.

C and D:

Second on staff

2nd is also written to the right, for clarity purposes.

Second on staff

3rd (Third)

To illustrate the intervals from 3rd onwards, it’s helpful to use a piano.

A 3rd is made of 1 and 3 (skipping one note in between)

A piano keyboard showing how to play a Third from C to E

and E:

A third on a treble staff from C to E

4th (Fourth)

A 4th is made of 1 and 4 (skipping two notes in between)

A piano keyboard showing how to play a Fourth from C to F

C and F:

A Fourth on a treble staff from C to F

5th (Fifth)

A 5th is made of 1 and 5 (skipping three notes in between)

A piano keyboard showing how to play a Fifth from C to G

C and G:

A Fifth on a treble staff from C to G

6th (Sixth)

A 6th is made of 1 and 6 (skipping four notes in between)

A piano keyboard showing how to play a Sixth from C to A

C and A:

A Sixth on a treble staff from C to A

7th (Seventh)

A 7th is made of 1 and 7 (skipping five notes in between)

A piano keyboard showing how to play a Seventh from C to B

C and B:

A Seventh on a treble staff from C to B

8ve (Octave)

An 8ve is made of 1 and 8 (skipping six notes in between)

Note that an Octave will always be the same note only higher. C-CD-DE-E etc.

A piano keyboard showing how to play an Octave from C to C

C and C:

An Octave on a treble staff from C to C

Generic Intervals Starting On C

IntervalNotes
1stC-C
2ndC-D
3rdC-E
4thC-F
5thC-G
6thC-A
7thC-B
8veC-C
All the generic intervals on the treble staff from unison to an octave