======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '215'
                                          'artist'  'Beck'
                                     'text_people'  ''
                                         'release'  'Odelay'
                                           'title'  'Diskobox'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'downtempo', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '115.987'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Odelay'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Diskobox'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beck'
'TRCK' (Track number/Position in set)               '14/14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'downtempo', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.396473'

========================== row from database ==========================
                                              'id'  1330583
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beck/Odelay/Beck - Diskobox.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3445612
                                           'mtime'  1637330377
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ifs songwriter indie rock
                                      'tag_artist'  Beck
                                     'tag_release'  Odelay
                                       'tag_title'  Diskobox
                                             'bpm'  115.987
                                    'search_title'  'diskobox':1
                                   'search_artist'  'beck':1
                                  'search_release'  'odelay':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':4 'beck':2B 'diskobox':1A 'ifs':5 'indie':7 'odelay':3C 'rock':8 'songwriter':6
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'downtempo', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330377.1455696  (2021-11-19 14:59:37)
                             'size'  3445612