AURAL improvement can now be acheived over the internet, see associated boards website,at different grades.
another approach is to just start playing easy tunes by ear,nursery rhymes,[when the saints][ happy birthday]good king wenceslas familiar christmas carols then morris tunes like stamp and clap young collins,then tunes like winster gallop,or playing scales by ear, then playing different intervals by ear,or doing g major scale by ear in thirds,then g mixolydian scale by ear [flattened seventh].