======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'The Sisters of Mercy'
                                     'text_people'  ''
                                         'release'  'Some Boys Wander By Mistake'
                                           'title'  'Train'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'gothic rock', 'post punk', 'gothic', 'goth']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '98.120'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Some Boys Wander By Mistake'
'TBPM' (BPM (beats per minute))                     '98.120'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Train'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sisters of Mercy'
'TRCK' (Track number/Position in set)               '2/12'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['goth rock', 'rock']
'TXXX:lastfmtags'                                   ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.798915'

========================== row from database ==========================
                                              'id'  1286995
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sisters of Mercy/sisters of mercy - train.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  2587960
                                           'mtime'  1620301256
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic sisters mercy train eid goth or gothrock gothrock
                                      'tag_artist'  The Sisters of Mercy
                                     'tag_release'  Some Boys Wander By Mistake
                                       'tag_title'  Train
                                             'bpm'  98.12
                                    'search_title'  'train':1
                                   'search_artist'  'mercy':4 'of':3 'sisters':2 'the':1
                                  'search_release'  'boys':2 'by':4 'mistake':5 'some':1 'wander':3
                                     'search_rest'  '00poprockelectronic':1 'eid':5 'goth':6 'gothrock':8 'mercy':3 'or':7 'sisters':2 'train':4
                                    'search_combo'  '00poprockelectronic':11 'boys':7C 'by':9C 'eid':15 'goth':16 'gothrock':18 'mercy':5B,13 'mistake':10C 'of':4B 'or':17 'sisters':3B,12 'some':6C 'the':2B 'train':1A,14 'wander':8C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
                                        'tag_date'  1996
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620301255.8006954  (2021-05-06 13:40:55)
                             'size'  2587960