======================== unified (from filesystem) ========================
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                                        'duration'  '144'
                                          'artist'  'Elliott Smith'
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                                         'release'  'Figure 8'
                                           'title'  'Everything Means Nothing To Me'
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                                      'lastfmtags'  "['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']"
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                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk'
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                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Figure 8'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Everything Means Nothing To Me'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elliott Smith'
'TRCK' (Track number/Position in set)               '5'
'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'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.411600'

========================== row from database ==========================
                                              'id'  1246296
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Elliott Smith/Figure 8/05. everything means nothing to me.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  144
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  3305430
                                           'mtime'  1637330495
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05. everything means nothing to me ifs songwriter indie;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Elliott Smith
                                     'tag_release'  Figure 8
                                       'tag_title'  Everything Means Nothing To Me
                                             'bpm'  145.79
                                    'search_title'  'everything':1 'me':5 'means':2 'nothing':3 'to':4
                                   'search_artist'  'elliott':1 'smith':2
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                                    'search_combo'  '00singer':10 '05':13,14 '8':9C 'elliott':6B 'eos':12 'everything':1A,15 'figure':8C 'folk':30 'ifs':20,22,24,27,29 'indie':21,23,25 'me':5A,19 'means':2A,16 'nothing':3A,17 'pop':26,28 'smith':7B 'songwriter':11 'to':4A,18
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330495.3223984  (2021-11-19 15:01:35)
                             'size'  3305430