======================== unified (from filesystem) ========================
                                         'bitrate'  '209.362'
                                        'duration'  '144'
                                          'artist'  'The Ataris'
                                     'text_people'  ''
                                         'release'  'Live At The Metro RETAIL'
                                           'title'  'A New England (Live Acoustic)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'punk', 'emo', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '89.930'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live At The Metro RETAIL'
'TBPM' (BPM (beats per minute))                     '89.930'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'A New England (Live Acoustic)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ataris'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'punk', 'emo', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.541732'

========================== row from database ==========================
                                              'id'  1324339
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Ataris/cifs97b7.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  144
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3793901
                                           'mtime'  1637019791
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock cifs97b7 ifs songwriter indie rock
                                      'tag_artist'  The Ataris
                                     'tag_release'  Live At The Metro RETAIL
                                       'tag_title'  A New England (Live Acoustic)
                                             'bpm'  89.93
                                    'search_title'  'a':1 'acoustic':6,7 'england':3 'live':4,5 'new':2
                                   'search_artist'  'ataris':2 'the':1
                                  'search_release'  'at':2 'live':1 'metro':4 'retail':5 'the':3
                                     'search_rest'  '00poprockelectronic':1 'cifs97b7':4 'ifs':5 'indie':7 'indierock':3 'poprock':2 'rock':8 'songwriter':6
                                    'search_combo'  '00poprockelectronic':15 'a':1A 'acoustic':6A,7A 'at':11C 'ataris':9B 'cifs97b7':18 'england':3A 'ifs':19 'indie':21 'indierock':17 'live':4A,5A,10C 'metro':13C 'new':2A 'poprock':16 'retail':14C 'rock':22 'songwriter':20 'the':8B,12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'punk', 'emo', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637019791.0420437  (2021-11-16 00:43:11)
                             'size'  3793901