======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '106'
                                          'artist'  'Electric Six'
                                     'text_people'  ''
                                         'release'  'Danger! High Voltage'
                                           'title'  "We Don't Care"
                                           'quals'  ("['Q-HAP-3', '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-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'funny', 'alternative', 'alternative rock', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'synth-pop', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '85.597'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Danger! High Voltage'
'TBPM' (BPM (beats per minute))                     '85.597'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "We Don't Care"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Electric Six'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'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', 'synth-pop', 'house']
'TXXX:lastfmtags'                                   ['indie', 'funny', 'alternative', 'alternative rock', 'rock']
'TXXX:original release date'                        ['2003', '2002']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.465527'

========================== row from database ==========================
                                              'id'  1502650
                                            'path'  /data/Music/Bulk/00poprockelectronic/Electric Six/Danger! High Voltage__Electric Six -We Don_t Care.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  106
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2559487
                                           'mtime'  1621697414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Voltage__Electric Don_t ifs songwriter indie rock
                                      'tag_artist'  Electric Six
                                     'tag_release'  Danger! High Voltage
                                       'tag_title'  We Don't Care
                                             'bpm'  85.597
                                    'search_title'  'care':5 'don':2 'dont':4 't':3 'we':1
                                   'search_artist'  'electric':1 'six':2
                                  'search_release'  'danger':1 'high':2 'voltage':3
                                     'search_rest'  '00poprockelectronic':1 'don':4 'electric':3 'ifs':6 'indie':8 'rock':9 'songwriter':7 't':5 'voltage':2
                                    'search_combo'  '00poprockelectronic':11 'care':5A 'danger':8C 'don':2A,14 'dont':4A 'electric':6B,13 'high':9C 'ifs':16 'indie':18 'rock':19 'six':7B 'songwriter':17 't':3A,15 'voltage':10C,12 'we':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'funny', 'alternative', 'alternative rock', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'synth-pop', 'house']

============================== file details ==============================
                                           'mtime'  1621697413.9879098  (2021-05-22 17:30:13)
                             'size'  2559487