======================== unified (from filesystem) ========================
                                         'bitrate'  '258.628'
                                        'duration'  '122'
                                          'artist'  'We Are Scientists'
                                     'text_people'  'We Are Scientists'
                                         'release'  'With Love And Squalor'
                                           'title'  'Callbacks'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '113.964'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'With Love And Squalor'
'TBPM' (BPM (beats per minute))                     '113.964'
'TCOM' (Composer)                                   'We Are Scientists'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005-09-19'
'TIT2' (Title/songname/content description)         'Callbacks'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'We Are Scientists'
'TPE2' (Band/orchestra/accompaniment)               'We Are Scientists'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '5'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'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:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2005-08-01'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.368595'

========================== row from database ==========================
                                              'id'  1372999
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/We Are Scientists/with love and squalor/05 callbacks.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  122
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4007925
                                           'mtime'  1638554888
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock with love and squalor 05 callbacks ifs songwriter indie rock
                                      'tag_artist'  We Are Scientists
                                     'tag_release'  With Love And Squalor
                                       'tag_title'  Callbacks
                                             'bpm'  113.964
                                    'search_title'  'callbacks':1
                                   'search_artist'  'are':2 'scientists':3 'we':1
                                  'search_release'  'and':3 'love':2 'squalor':4 'with':1
                                     'search_rest'  '00poprockelectronic':1 'and':6 'callbacks':8 'ifs':9 'indie':11 'indierock':3 'love':5 'poprock':2 'rock':12 'songwriter':10 'squalor':7 'with':4
                                    'search_combo'  '00poprockelectronic':9 'and':7C,14 'are':3B 'callbacks':1A,16 'ifs':17 'indie':19 'indierock':11 'love':6C,13 'poprock':10 'rock':20 'scientists':4B 'songwriter':18 'squalor':8C,15 'we':2B 'with':5C,12
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554888.202651  (2021-12-03 19:08:08)
                             'size'  4007925