======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'The Kaluli of Papua New Guinea'
                                     'text_people'  ''
                                         'release'  'BM30SL2702 - Music of Oceania; The Kaluli of Papua Niugini'
                                           'title'  'No.  5 heyalo duet'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-africa-newguinea'
                                             'bpm'  '123.106'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'BM30SL2702 - Music of Oceania; The Kaluli of Papua Niugini'
'TBPM' (BPM (beats per minute))                     '123.106'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-newguinea'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'No.  5 heyalo duet'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Kaluli of Papua New Guinea'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.819425'

========================== row from database ==========================
                                              'id'  924079
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/[Musicaphon ‎• BM 30 SL 2702] - The Kaluli of Papua Niugini - Kaluli Weeping And Song, 1985/B1 No.  5 heyalo duet.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  loc-africa-newguinea
                                        'filesize'  5919582
                                           'mtime'  1621626949
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa [Musicaphon ‎• 2702] Weeping And Song, 1985 B1 loc africa newguinea
                                      'tag_artist'  The Kaluli of Papua New Guinea
                                     'tag_release'  BM30SL2702 - Music of Oceania; The Kaluli of Papua Niugini
                                       'tag_title'  No.  5 heyalo duet
                                             'bpm'  123.106
                                    'search_title'  '5':3 'duet':5 'heyalo':4 'no':1,2
                                   'search_artist'  'guinea':6 'kaluli':2 'new':5 'of':3 'papua':4 'the':1
                                  'search_release'  'bm30sl2702':1 'kaluli':7 'music':2 'niugini':9 'oceania':4,5 'of':3 'papua':8 'the':6
                                     'search_rest'  '00africa':1 '1985':10 '2702':4,5 'africa':13 'and':7 'b1':11 'loc':12 'musicaphon':2,3 'newguinea':14 'song':8,9 'weeping':6
                                    'search_combo'  '00africa':21 '1985':30 '2702':24,25 '5':3A 'africa':33 'and':27 'b1':31 'bm30sl2702':12C 'duet':5A 'guinea':11B 'heyalo':4A 'kaluli':7B,18C 'loc':32 'music':13C 'musicaphon':22,23 'new':10B 'newguinea':34 'niugini':20C 'no':1A,2A 'oceania':15C,16C 'of':8B,14C 'papua':9B,19C 'song':28,29 'the':6B,17C 'weeping':26
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626948.63008  (2021-05-21 21:55:48)
                             'size'  5919582