======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '314'
                                          'artist'  'Baka Beyond'
                                     'text_people'  'Martin Cradick'
                                         'release'  'The Global Sounds of Hannibal Records'
                                           'title'  'Nahwia'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['african', 'world', 'world music', 'celtic', 'folk fusion']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-unsorted-mix'
                                             'bpm'  '131.413'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Global Sounds of Hannibal Records'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCOM' (Composer)                                   'Martin Cradick'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted-mix'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Nahwia'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Baka Beyond'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ryko'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['african', 'world', 'world music', 'celtic', 'folk fusion']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.706250'

========================== row from database ==========================
                                              'id'  473625
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/The Global Sounds Of Hannibal Records (LaFolieDuJour, 2010) [VBR]/03 BAKA BEYOND - Nahwia.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  314
                                           'genre'  loc-unsorted-mix
                                        'filesize'  7555688
                                           'mtime'  1621629890
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad Of (LaFolieDuJour, 2010) [VBR] 03 BAKA BEYOND loc unsorted mix
                                      'tag_artist'  Baka Beyond
                                     'tag_release'  The Global Sounds of Hannibal Records
                                       'tag_title'  Nahwia
                                             'bpm'  131.413
                                    'search_title'  'nahwia':1
                                   'search_artist'  'baka':1 'beyond':2
                                  'search_release'  'global':2 'hannibal':5 'of':4 'records':6 'sounds':3 'the':1
                                     'search_rest'  '1':4,5,6 '2010':11,12 'baka':15 'beyond':16 'du':23 'folie':22 'jour':24,25 'la':20,21 'lafoliedujour':9,10 'loc':17 'mix':19 'of':8 'trad':7 'unsorted':18 'va':1,2 'vbr':13,14 'world':3
                                    'search_combo'  '1':13,14,15 '2010':20,21 'baka':2B,24 'beyond':3B,25 'du':32 'folie':31 'global':5C 'hannibal':8C 'jour':33,34 'la':29,30 'lafoliedujour':18,19 'loc':26 'mix':28 'nahwia':1A 'of':7C,17 'records':9C 'sounds':6C 'the':4C 'trad':16 'unsorted':27 'va':10,11 'vbr':22,23 'world':12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['african', 'world', 'world music', 'celtic', 'folk fusion']
                                        'tag_date'  1994
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629889.5367508  (2021-05-21 22:44:49)
                             'size'  7555688