======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  '54-40'
                                     'text_people'  '54-40'
                                         'release'  "Smilin' Buddha Cabaret"
                                           'title'  'Ocean Pearl'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'rock', 'canadian']"
                                     'discogstags'  "['rock', 'alternative rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '14'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '113.326'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Smilin' Buddha Cabaret"
'TBPM' (BPM (beats per minute))                     '113.326'
'TCOM' (Composer)                                   '54-40'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1994'
'TEXT' (Lyricist/Text writer)                       'Neil Osborne'
'TIT2' (Title/songname/content description)         'Ocean Pearl'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               '54-40'
'TPE2' (Band/orchestra/accompaniment)               '54-40'
'TPUB' (Publisher)                                  'Columbia Records'
'TRCK' (Track number/Position in set)               '10/14'
'TSOP' (Performer sort order)                       '54-40'
'TXXX:ALBUMARTISTSORT'                              '54-40'
'TXXX:ASIN'                                         'B00003IQHM'
'TXXX:BARCODE'                                      '77749903302302'
'TXXX:CATALOGNUMBER'                                'CCK 80190'
'TXXX:MusicBrainz Album Artist Id'                  '46eca540-5d16-4115-88dd-ac8a2b571f62'
'TXXX:MusicBrainz Album Id'                         '8e988332-0776-4db8-9c6e-ec7f819d6451'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '46eca540-5d16-4115-88dd-ac8a2b571f62'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'indie rock']
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'rock', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.558173'

========================== row from database ==========================
                                              'id'  1504028
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/54-40 - Ocean Pearl - Smilin_ Buddha Cabaret.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  rock-unsorted
                                        'filesize'  3332489
                                           'mtime'  1620392286
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Smilin_ rock unsorted
                                      'tag_artist'  54-40
                                     'tag_release'  Smilin' Buddha Cabaret
                                       'tag_title'  Ocean Pearl
                                             'bpm'  113.326
                                    'search_title'  'ocean':1 'pearl':2
                                   'search_artist'  '40':2 '54':1 '5440':3
                                  'search_release'  'buddha':3 'cabaret':4 'smilin':1,2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':8 'smilin':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '40':4B '54':3B '5440':5B 'buddha':8C 'cabaret':9C 'files':14,15 'loose':12,13 'ocean':1A 'pearl':2A 'rock':17 'smilin':6C,7C,16 'unsorted':11
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'rock', 'canadian']
                                        'tag_date'  1994
                                     'discogstags'  ['rock', 'alternative rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1620392286.0699673  (2021-05-07 14:58:06)
                             'size'  3332489