======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '114'
                                          'artist'  'Red Hewitt & the Buccanneers'
                                     'text_people'  ''
                                         'release'  "Early Rock & Roll and Boppin' Hillbily from New Zealand Vol 7 & 8"
                                           'title'  'Boston'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '96.072'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'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)                     "Early Rock & Roll and Boppin' Hillbily from New Zealand Vol 7 & 8"
'TBPM' (BPM (beats per minute))                     '96.072'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Boston'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hewitt & the Buccanneers'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.385320'

========================== row from database ==========================
                                              'id'  767677
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Red Hewitt & The Buccaneers - Boston.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  114
                                           'genre'  set-pl-spelling
                                        'filesize'  1371036
                                           'mtime'  1620356390
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling The Buccaneers set pl spelling
                                      'tag_artist'  Red Hewitt & the Buccanneers
                                     'tag_release'  Early Rock & Roll and Boppin' Hillbily from New Zealand Vol 7 & 8
                                       'tag_title'  Boston
                                             'bpm'  96.072
                                    'search_title'  'boston':1
                                   'search_artist'  'buccanneers':4 'hewitt':2 'red':1 'the':3
                                  'search_release'  '7':12 '8':13 'and':4 'boppin':5,6 'early':1 'from':8 'hillbily':7 'new':9 'rock':2 'roll':3 'vol':11 'zealand':10
                                     'search_rest'  '0novelty':2 '0playlists':1 'buccaneers':6 'pl':8 'set':7 'spelling':4 'the':5 'themes':3
                                    'search_combo'  '0novelty':20 '0playlists':19 '7':17C '8':18C 'and':9C 'boppin':10C,11C 'boston':1A 'buccaneers':24 'buccanneers':5B 'early':6C 'from':13C 'hewitt':3B 'hillbily':12C 'new':14C 'pl':26 'red':2B 'rock':7C 'roll':8C 'set':25 'spelling':22 'the':4B,23 'themes':21 'vol':16C 'zealand':15C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356390.3001494  (2021-05-07 04:59:50)
                             'size'  1371036