 " True Blue " is a dance @-@ pop song inspired by the Motown 's girl groups from the 1960s which are considered the direct antecedents of Madonna 's musical sound . The song is composed in the key of B major . It is set in compound quadruple meter , commonly used in doo @-@ wop , and has a moderate tempo of 118 beats per minute . " True Blue " features instrumentation from a rhythm guitar , a synthesizer , keyboards , and drums for the bassline , with a basic sequence of I – vi – IV – V ( B – G ♯ m – E – F ♯ ) as its main chord progression . 
 " True Blue " <a href='drop_aux' title='1'><mark>is</mark></a>a dance @-@ pop song inspired by the Motown <a href='null_genetive' title='2'><mark>'s</mark></a>girl groups from the 1960s which are considered the direct antecedents of Madonna <a href='null_genetive' title='3'><mark>'s</mark></a>musical sound . The song is composed in the key of B major . It is set in compound quadruple meter , commonly used in doo @-@ wop , and <a href='got' title='4'><mark>has</mark></a> a moderate tempo of 118 beats per minute . " True Blue " <a href='uninflect' title='5'><mark>features</mark></a> instrumentation from a rhythm guitar , a synthesizer , keyboards , and drums for the bassline , with a basic sequence of I – vi – IV – V ( B – G ♯ m – E – F ♯ ) as its main chord progression . 
 tru Blue  a dance @-@ pop song inspired by the Motown  girl groups from the 1960s which r considered the direct antecedents of Madonna  musical sound . The song is composed in the key of B major . It is set in compound quadruple meter , commonly used in doo @-@ wop , and got a moderate tempo of 118 beats per minute . " TtruBlue " feature instrumentation from a rhythm guitar , a synthesizer , keyboards , and drums for the bassline , with a basic sequence of I – vi – IV – V ( B – G ♯ m – E – F ♯ ) as its main chord progression .