======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '123'
                                          'artist'  'Rod McKuen'
                                     'text_people'  ''
                                         'release'  'A Boy Named Charlie Brown'
                                           'title'  'Failure Face'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']"
                                     'discogstags'  "['soundtrack', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '30'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '134.466'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000003B2 00000308 00003E8A 00003703 00016072 000160A7 00006D77 00006C76 '
 '0000D67D 0000F6BC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006FC 0000000000531BF4 00000000 002D2C15 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'C212081E+346388+30+150+19588+29030+46469+59293+72252+84884+97013+108834+118676+126499+138177+146964+153880+168021+178314+189555+197252+209361+218624+228047+240545+254234+264333+278645+294375+306445+315651+326156+336670'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '19'
'TALB' (Album/Movie/Show title)                     'A Boy Named Charlie Brown'
'TBPM' (BPM (beats per minute))                     '134.466'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 9.0.3'
'TIT2' (Title/songname/content description)         'Failure Face'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rod McKuen'
'TRCK' (Track number/Position in set)               '19/30'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'stage & screen']
'TXXX:lastfmtags'                                   ['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.11 dB'
'TXXX:replaygain_track_peak'                        '0.425449'

========================== row from database ==========================
                                              'id'  764172
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Rod McKuen - Failure Face.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  123
                                           'genre'  set-pl-spelling
                                        'filesize'  2967605
                                           'mtime'  1676053040
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Rod McKuen
                                     'tag_release'  A Boy Named Charlie Brown
                                       'tag_title'  Failure Face
                                             'bpm'  134.466
                                    'search_title'  'face':2 'failure':1
                                   'search_artist'  'kuen':4 'mc':3 'mckuen':2 'rod':1
                                  'search_release'  'a':1 'boy':2 'brown':5 'charlie':4 'named':3
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':13 '0playlists':12 'a':7C 'boy':8C 'brown':11C 'charlie':10C 'face':2A 'failure':1A 'kuen':6B 'mc':5B 'mckuen':4B 'named':9C 'pl':17 'rod':3B 'set':16 'spelling':15 'themes':14
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']
                                        'tag_date'  1970
                                     'discogstags'  ['soundtrack', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1676053039.6521692  (2023-02-10 19:17:19)
                             'size'  2967605