======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '113'
                                          'artist'  "The Gene Parson's Band"
                                     'text_people'  ''
                                         'release'  'Rockabilly Rarities, Vol. 1'
                                           'title'  "Night Club Rock 'n' Roll"
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  'Yeaah! Records, #Yeaah 12'
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '88.168'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'Rockabilly Rarities, Vol. 1'
'TBPM' (BPM (beats per minute))                     '88.168'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Night Club Rock 'n' Roll"
'TIT3' (Subtitle/Description refinement)            'Yeaah! Records, #Yeaah 12'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "The Gene Parson's Band"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.293979'

========================== row from database ==========================
                                              'id'  1510259
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Gene Parson_s Band, feat Kimble & Wanda Janes - Night Club Rocknroll (Southfield, 1959; wr. Kimble Janes).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  113
                                           'genre'  set-pl-spelling
                                        'filesize'  1369899
                                           'mtime'  1620356332
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling Parson_s Band, feat Kimble & Wanda Janes Rocknroll (Southfield, 1959; wr. Kimble Janes) set pl spelling
                                      'tag_artist'  The Gene Parson's Band
                                     'tag_release'  Rockabilly Rarities, Vol. 1
                                       'tag_title'  Night Club Rock 'n' Roll
                                             'bpm'  88.168
                                    'search_title'  'club':2 'n':4,5 'night':1 'rock':3 'roll':6
                                   'search_artist'  'band':6 'gene':2 'parson':3 'parsons':5 's':4 'the':1
                                  'search_release'  '1':6 'rarities':2,3 'rockabilly':1 'vol':4,5
                                     'search_rest'  '0novelty':2 '0playlists':1 '1959':16,17 'band':7,8 'feat':9 'janes':12,20 'kimble':10 'parson':5 'pl':22 'rocknroll':13 's':6 'set':21 'southfield':14,15 'spelling':4 'themes':3 'wanda':11 'wr':18,19
                                    'search_combo'  '0novelty':20 '0playlists':19 '1':18C '1959':34,35 'band':12B,25,26 'club':2A 'feat':27 'gene':8B 'janes':30,38 'kimble':28 'n':4A,5A 'night':1A 'parson':9B,23 'parsons':11B 'pl':40 'rarities':14C,15C 'rock':3A 'rockabilly':13C 'rocknroll':31 'roll':6A 's':10B,24 'set':39 'southfield':32,33 'spelling':22 'the':7B 'themes':21 'vol':16C,17C 'wanda':29 'wr':36,37
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356332.181681  (2021-05-07 04:58:52)
                             'size'  1369899