Music.Theory.Instrument.Choir

Documentation

data Voice

Voice types.

Constructors

Bass

Tenor

Alto

Soprano

Instances

Bounded Voice

Methods

minBound :: Voice

maxBound :: Voice

Enum Voice

Methods

succ :: Voice -> Voice

pred :: Voice -> Voice

toEnum :: Int -> Voice

fromEnum :: Voice -> Int

enumFrom :: Voice -> [Voice]

enumFromThen :: Voice -> Voice -> [Voice]

enumFromTo :: Voice -> Voice -> [Voice]

enumFromThenTo :: Voice -> Voice -> Voice -> [Voice]

Eq Voice

Methods

(==) :: Voice -> Voice -> Bool

(/=) :: Voice -> Voice -> Bool

Ord Voice

Methods

compare :: Voice -> Voice -> Ordering

(<) :: Voice -> Voice -> Bool

(<=) :: Voice -> Voice -> Bool

(>) :: Voice -> Voice -> Bool

(>=) :: Voice -> Voice -> Bool

max :: Voice -> Voice -> Voice

min :: Voice -> Voice -> Voice

Show Voice

Methods

showsPrec :: Int -> Voice -> ShowS

show :: Voice -> String

showList :: [Voice] -> ShowS

voice_abbrev :: Voice -> Char

Single character abbreviation for Voice.

voice_clef :: Integral i => Voice -> Clef i

Standard Clef for Voice.

type Voice_Rng_Tbl = [(Voice, (Pitch, Pitch))]

Table giving ranges for Voices.

voice_rng_tbl_std :: Voice_Rng_Tbl

More or less standard choir ranges, inclusive.

voice_rng_tbl_safe :: Voice_Rng_Tbl

More conservative ranges, inclusive.

lookup_err :: Eq a => a -> [(a, b)] -> b

Erroring variant.

voice_rng :: Voice_Rng_Tbl -> Voice -> (Pitch, Pitch)

Lookup voice range table.

voice_rng_std :: Voice -> (Pitch, Pitch)

Lookup voice_rng_tbl_std.

voice_rng_safe :: Voice -> (Pitch, Pitch)

Lookup voice_rng_tbl_safe.

in_range_inclusive :: Ord a => a -> (a, a) -> Bool

Is p >= l and <= r.

in_voice_rng :: Pitch -> Voice -> (Bool, Bool)

Is p in range for v, (std & safe).

map (in_voice_rng T.c4) [Bass .. Soprano]

possible_voices :: Voice_Rng_Tbl -> Pitch -> [Voice]

Given tbl list Voices that can sing Pitch.

possible_voices_std :: Pitch -> [Voice]

std variant.

possible_voices_safe :: Pitch -> [Voice]

safe variant.

satb :: [Voice]

Enumeration of SATB voices.

satb_name :: [String]

Names of satb.

satb_abbrev :: [String]

voice_abbrev of satb as Strings.

type Part = (Voice, Int)

Voice & part number.

ch_satb_seq :: Int -> [Part]

k part choir, ordered by voice.

ch_parts :: Int -> [[Part]]

ch_satb_seq grouped in parts.

map (map part_nm) (ch_parts 8)

part_nm :: Part -> String

Abreviated name for part.

part_nm (Soprano,1) == "S1"

k_ch_groups :: Int -> [[Part]]

k SATB choirs, grouped by choir.

k_ch_groups 2

k_ch_groups' :: Int -> [Part]

concat of k_ch_groups.

dbl_ch_parts :: Int -> [[Part]]

Two k part SATB choirs in score order.

map part_nm (concat (dbl_ch_parts 8))

mk_clef_seq :: [Part] -> [Clef Int]

voice_clef for Parts.