======================== unified (from filesystem) ========================
                                         'bitrate'  '147.348'
                                        'duration'  '294'
                                          'artist'  'Heiemo Og Nykkjen'
                                     'text_people'  ''
                                         'release'  'Global Meditation: Voices of the Spirit'
                                           'title'  'Heiemo Og Nykkjen'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-asia-tibet'
                                             'bpm'  '143.314'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Global Meditation: Voices of the Spirit'
'TBPM' (BPM (beats per minute))                     '143.314'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-tibet'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Heiemo Og Nykkjen'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Heiemo Og Nykkjen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'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'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.540928'

========================== row from database ==========================
                                              'id'  476912
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Global Meditation ~ Voices Of The Spirit ~ Songs & Chants (Ellipsis Arts, 1993) [178k VBR]/01 - Kirsten Braten-Berg - Heiemo Og Nykkjen  (Norway).mp3
                                         'working'  None
                                         'bitrate'  147
                                    'duration_sec'  294
                                           'genre'  loc-asia-tibet
                                        'filesize'  5428569
                                           'mtime'  1620586337
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad ~ Of The ~ Songs & Chants (Ellipsis Arts, 1993) [178k VBR] 01 Kirsten Braten Berg (Norway) loc asia tibet
                                      'tag_artist'  Heiemo Og Nykkjen
                                     'tag_release'  Global Meditation: Voices of the Spirit
                                       'tag_title'  Heiemo Og Nykkjen
                                             'bpm'  143.314
                                    'search_title'  'heiemo':1 'nykkjen':3 'og':2
                                   'search_artist'  'heiemo':1 'nykkjen':3 'og':2
                                  'search_release'  'global':1 'meditation':2,3 'of':5 'spirit':7 'the':6 'voices':4
                                     'search_rest'  '1':4,5,6 '178k':18,19 '1993':16,17 'arts':14,15 'asia':28 'berg':24 'braten':23 'chants':11 'ellipsis':12,13 'kirsten':22 'loc':27 'norway':25,26 'of':8 'songs':10 'the':9 'tibet':29 'trad':7 'va':1,2 'vbr':20,21 'world':3
                                    'search_combo'  '1':17,18,19 '178k':31,32 '1993':29,30 'arts':27,28 'asia':41 'berg':37 'braten':36 'chants':24 'ellipsis':25,26 'global':7C 'heiemo':1A,4B 'kirsten':35 'loc':40 'meditation':8C,9C 'norway':38,39 'nykkjen':3A,6B 'of':11C,21 'og':2A,5B 'songs':23 'spirit':13C 'the':12C,22 'tibet':42 'trad':20 'va':14,15 'vbr':33,34 'voices':10C 'world':16
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586337.226505  (2021-05-09 20:52:17)
                             'size'  5428569