======================== unified (from filesystem) ========================
                                         'bitrate'  '185.596'
                                        'duration'  '285'
                                          'artist'  'Dropkick Murphys'
                                     'text_people'  ''
                                         'release'  "The Warrior's Code"
                                           'title'  'The Green Fields of France'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '143.925'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "The Warrior's Code"
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'lame'
'TIT2' (Title/songname/content description)         'The Green Fields of France'
'TKEY' (Initial key)                                '5B'
'TLAN' (Language(s))                                'english'
'TPE1' (Lead performer(s)/Soloist(s))               'Dropkick Murphys'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.393102'

========================== row from database ==========================
                                              'id'  1298226
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Dropkick Murphys/The Warriors Code/09-dropkick_murphys-the_green_fields_of_france-edn.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  285
                                           'genre'  rock-gr-punk
                                        'filesize'  6645841
                                           'mtime'  1622659233
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Warriors 09 dropkick_murphys the_green_fields_of_france edn rock gr punk
                                      'tag_artist'  Dropkick Murphys
                                     'tag_release'  The Warrior's Code
                                       'tag_title'  The Green Fields of France
                                             'bpm'  143.925
                                    'search_title'  'fields':3 'france':5 'green':2 'of':4 'the':1
                                   'search_artist'  'dropkick':1 'murphys':2
                                  'search_release'  'code':5 's':3 'the':1 'warrior':2 'warriors':4
                                     'search_rest'  '00poprockelectronic':1 'dropkick':5 'edn':12 'fields':9 'france':11 'gr':14 'green':8 'indierock':3 'murphys':6 'of':10 'poprock':2 'punk':15 'rock':13 'the':7 'warriors':4
                                    'search_combo'  '00poprockelectronic':13 'code':12C 'dropkick':6B,17 'edn':24 'fields':3A,21 'france':5A,23 'gr':26 'green':2A,20 'indierock':15 'murphys':7B,18 'of':4A,22 'poprock':14 'punk':27 'rock':25 's':10C 'the':1A,8C,19 'warrior':9C 'warriors':11C,16
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659232.5013206  (2021-06-02 20:40:32)
                             'size'  6645841