======================== unified (from filesystem) ========================
                                         'bitrate'  '193.969'
                                        'duration'  '270'
                                          'artist'  'Ghinzu'
                                     'text_people'  ''
                                         'release'  'Blow'
                                           'title'  'Sea-side friends'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['indie', 'alternative', 'belgian', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;ifs-songwriter-indie-pop;rock-pop-indie'
                                             'bpm'  '126.017'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000007C2 00000874 0000261B'
'COMM:iTunNORM:eng'                                 (' 000007C2 00000874 0000261B 00002395 0000C075 0000C075 000079FD 0000783B '
 '0001ABC3 000155FE')
'TALB' (Album/Movie/Show title)                     'Blow'
'TBPM' (BPM (beats per minute))                     '126.017'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'ifs-songwriter-indie-pop', 'rock-pop-indie']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Sea-side friends'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ghinzu'
'TPE2' (Band/orchestra/accompaniment)               'Ghinzu'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'belgian', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.430524'

========================== row from database ==========================
                                              'id'  1342428
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Ghinzu/[2004] Blow/12 Sea-side friends.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  270
                                           'genre'  ifs-songwriter-indie-rock;ifs-songwriter-indie-pop;rock-pop-indie
                                        'filesize'  6588588
                                           'mtime'  1638554752
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [2004] 12 ifs songwriter indie rock;ifs songwriter indie pop;rock pop indie
                                      'tag_artist'  Ghinzu
                                     'tag_release'  Blow
                                       'tag_title'  Sea-side friends
                                             'bpm'  126.017
                                    'search_title'  'friends':4 'sea':1 'seaside':3 'side':2
                                   'search_artist'  'ghinzu':1
                                  'search_release'  'blow':1
                                     'search_rest'  '00poprockelectronic':1 '2004':4,5 'ifs':6,10,12 'indie':8 'indierock':3 'pop':13,15,17 'poprock':2 'rock':9,11,14,16 'songwriter':7
                                    'search_combo'  '00poprockelectronic':7 '2004':10,11 'blow':6C 'friends':4A 'ghinzu':5B 'ifs':12,16,18 'indie':14 'indierock':9 'pop':19,21,23 'poprock':8 'rock':15,17,20,22 'sea':1A 'seaside':3A 'side':2A 'songwriter':13
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'belgian', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1638554752.265296  (2021-12-03 19:05:52)
                             'size'  6588588