======================== unified (from filesystem) ========================
                                         'bitrate'  '176.845'
                                        'duration'  '438'
                                          'artist'  'Field Rotation'
                                     'text_people'  ''
                                         'release'  'Acoustic Tales'
                                           'title'  'Acoustic Tale 4 (With Danny Norbury)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'instrumental', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '122.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Acoustic Tales'
'TBPM' (BPM (beats per minute))                     '122.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Acoustic Tale 4 (With Danny Norbury)'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Field Rotation'
'TRCK' (Track number/Position in set)               '4/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'instrumental', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.599898'

========================== row from database ==========================
                                              'id'  1309003
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Field Rotation - Field_Rotation_-_Acoustic_Tales-LIMITED_EDITION-CDR-2011-gEm/04-field_rotation_-_acoustic_tale_4_(with_danny_norbury)-gem.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  438
                                           'genre'  electronic-ambient
                                        'filesize'  9689934
                                           'mtime'  1636910633
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Field_Rotation_ _Acoustic_Tales LIMITED_EDITION CDR 2011 gEm 04 field_rotation_ _acoustic_tale_4_(with_danny_norbury) gem electronic ambient
                                      'tag_artist'  Field Rotation
                                     'tag_release'  Acoustic Tales
                                       'tag_title'  Acoustic Tale 4 (With Danny Norbury)
                                             'bpm'  122.4
                                    'search_title'  '4':3 'acoustic':1 'danny':6 'norbury':7,8 'tale':2 'with':4,5
                                   'search_artist'  'field':1 'rotation':2
                                  'search_release'  'acoustic':1 'tales':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2011':10 '4':14,20 'acoustic':5,12,18 'ambient':25 'cdr':9 'danny':16,22 'edition':8 'electronic':24 'em':27 'field':3 'g':26 'gem':11 'limited':7 'norbury':17,23 'rotation':4 'tale':13,19 'tales':6 'with':15,21
                                    'search_combo'  '00ambient':14 '00poprockelectronic':13 '2011':22 '4':3A,26,32 'acoustic':1A,11C,17,24,30 'ambient':37 'cdr':21 'danny':6A,28,34 'edition':20 'electronic':36 'em':39 'field':9B,15 'g':38 'gem':23 'limited':19 'norbury':7A,8A,29,35 'rotation':10B,16 'tale':2A,25,31 'tales':12C,18 'with':4A,5A,27,33
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['deepspaceone', 'instrumental', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910633.2473543  (2021-11-14 18:23:53)
                             'size'  9689934