======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Warmer Milks'
                                     'text_people'  ''
                                         'release'  'In This Room'
                                           'title'  'A Thrill Lull in Reverse'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['noise', 'psychedelic rock', 'experimental', 'psychedelic', 'sxsw 2009']"
                                     'discogstags'  "['folk, world, & country', 'acoustic', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '144.5'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000103 0000009A 00000947 000004A2 0002719C 00027705 00003BE8 00003B74 '
 '00027824 00026A5E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000970 0000000000809C00 00000000 007490D1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'In This Room'
'TBPM' (BPM (beats per minute))                     '144.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'A Thrill Lull in Reverse'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Warmer Milks'
'TPE2' (Band/orchestra/accompaniment)               'Warmer Milks'
'TPUB' (Publisher)                                  'Fuck It Tapes'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'acoustic', 'folk']
'TXXX:lastfmtags'                                   ['noise', 'psychedelic rock', 'experimental', 'psychedelic', 'sxsw 2009']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.467351'

========================== row from database ==========================
                                              'id'  1414343
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Warmer Milks - In This Room [2008, Fuck It Tapes]/Warmer Milks - 02 - A Thrill Lull in Reverse.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  7649808
                                           'mtime'  1620735997
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy [2008, Fuck It Tapes] 02 rock cppex experimental or noise
                                      'tag_artist'  Warmer Milks
                                     'tag_release'  In This Room
                                       'tag_title'  A Thrill Lull in Reverse
                                             'bpm'  144.5
                                    'search_title'  'a':1 'in':4 'lull':3 'reverse':5 'thrill':2
                                   'search_artist'  'milks':2 'warmer':1
                                  'search_release'  'in':1 'room':3 'this':2
                                     'search_rest'  '2008':2,3 'classicprogpsy':1 'cppex':9 'experimental':10 'fuck':4 'it':5 'noise':12 'or':11 'rock':8 'tapes':6,7
                                    'search_combo'  '2008':12,13 'a':1A 'classicprogpsy':11 'cppex':19 'experimental':20 'fuck':14 'in':4A,8C 'it':15 'lull':3A 'milks':7B 'noise':22 'or':21 'reverse':5A 'rock':18 'room':10C 'tapes':16,17 'this':9C 'thrill':2A 'warmer':6B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'psychedelic rock', 'experimental', 'psychedelic', 'sxsw 2009']
                                        'tag_date'  2008
                                     'discogstags'  ['folk, world, & country', 'acoustic', 'folk']

============================== file details ==============================
                                           'mtime'  1620735996.5329802  (2021-05-11 14:26:36)
                             'size'  7649808