======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Ladytron'
                                     'text_people'  ''
                                         'release'  'Light & Magic'
                                           'title'  'The Reason Why'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electropop', 'synthpop']"
                                     'discogstags'  "['electronic', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro-electroclash;electronic-we-electropop or synthpop'
                                             'bpm'  '113.708'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Light & Magic'
'TBPM' (BPM (beats per minute))                     '113.708'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electro-electroclash',
 'electronic-we-electro-electroclash',
 'electronic-we-electropop or synthpop']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Reason Why'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ladytron'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electropop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.414992'

========================== row from database ==========================
                                              'id'  1303814
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/Ladytron/Light & Magic/15-the_reason_why-idm.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  electronic-we-electro-electroclash;electronic-we-electropop or synthpop
                                        'filesize'  6104518
                                           'mtime'  1620561151
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash 15 the_reason_why idm electronic we electro electroclash;electronic we electropop or synthpop
                                      'tag_artist'  Ladytron
                                     'tag_release'  Light & Magic
                                       'tag_title'  The Reason Why
                                             'bpm'  113.708
                                    'search_title'  'reason':2 'the':1 'why':3
                                   'search_artist'  'ladytron':1
                                  'search_release'  'light':1 'magic':2
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 'electro':9 'electroclash':10,12 'electronic':7,11,13 'electropop':14 'idm':6 'or':15 'reason':4 'synthpop':16 'the':3 'we':8 'why':5
                                    'search_combo'  '00clash':8 '00poprockelectronic':7 'electro':15 'electroclash':16,18 'electronic':13,17,19 'electropop':20 'idm':12 'ladytron':4B 'light':5C 'magic':6C 'or':21 'reason':2A,10 'synthpop':22 'the':1A,9 'we':14 'why':3A,11
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electropop', 'synthpop']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620561150.7803607  (2021-05-09 13:52:30)
                             'size'  6104518