======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '270'
                                          'artist'  'dEUS'
                                     'text_people'  ''
                                         'release'  'In A Bar, Under The Sea'
                                           'title'  'Little Arithmetics'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'belgian', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In A Bar, Under The Sea'
'TBPM' (BPM (beats per minute))                     '145.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Little Arithmetics'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'dEUS'
'TRCK' (Track number/Position in set)               '5/15'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'belgian', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.451037'

========================== row from database ==========================
                                              'id'  1380392
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/dEUS/In A Bar, Under The Sea/Deus - Little Arithmetics.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  270
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4330014
                                           'mtime'  1637330377
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Deus ifs songwriter indie rock
                                      'tag_artist'  dEUS
                                     'tag_release'  In A Bar, Under The Sea
                                       'tag_title'  Little Arithmetics
                                             'bpm'  145.1
                                    'search_title'  'arithmetics':2 'little':1
                                   'search_artist'  'd':2 'deus':1 'eus':3
                                  'search_release'  'a':2 'bar':3,4 'in':1 'sea':7 'the':6 'under':5
                                     'search_rest'  '00poprockelectronic':1 'deus':4 'ifs':5 'indie':7 'indierock':3 'poprock':2 'rock':8 'songwriter':6
                                    'search_combo'  '00poprockelectronic':13 'a':7C 'arithmetics':2A 'bar':8C,9C 'd':4B 'deus':3B,16 'eus':5B 'ifs':17 'in':6C 'indie':19 'indierock':15 'little':1A 'poprock':14 'rock':20 'sea':12C 'songwriter':18 'the':11C 'under':10C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'belgian', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330377.3825693  (2021-11-19 14:59:37)
                             'size'  4330014