======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '119'
                                          'artist'  'Aquatones'
                                     'text_people'  'Dave Goddard/Larry Vannata'
                                         'release'  "The Golden Age of American Rock 'n' Roll, Vol. 2"
                                           'title'  'You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'rock and roll', 'doo wop', '50s', 'female vocals']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '143.314'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-171 POS 21'
'COMM:ID3v1 Comment:XXX'                            '58-171 POS 21'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     "The Golden Age of American Rock 'n' Roll, Vol. 2"
'TBPM' (BPM (beats per minute))                     '143.314'
'TCOM' (Composer)                                   'Dave Goddard/Larry Vannata'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'You'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aquatones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ace'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock and roll', 'doo wop', '50s', 'female vocals']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.457354'

========================== row from database ==========================
                                              'id'  1443882
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-171 - Aquatones - You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  119
                                           'genre'  prerock-doowop
                                        'filesize'  4794240
                                           'mtime'  1621705421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 171 prerock doowop
                                      'tag_artist'  Aquatones
                                     'tag_release'  The Golden Age of American Rock 'n' Roll, Vol. 2
                                       'tag_title'  You
                                             'bpm'  143.314
                                    'search_title'  'you':1
                                   'search_artist'  'aquatones':1
                                  'search_release'  '2':13 'age':3 'american':5 'golden':2 'n':7,8 'of':4 'rock':6 'roll':9,10 'the':1 'vol':11,12
                                     'search_rest'  '00oldiepop':5 '171':8 '1958':6 '58':7 'country':4 'doowop':10 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':20 '171':23 '1958':21 '2':15C '58':22 'age':5C 'american':7C 'aquatones':2B 'country':19 'doowop':25 'exotica':17 'golden':4C 'jazz':16 'n':9C,10C 'of':6C 'oldies':18 'prerock':24 'rock':8C 'roll':11C,12C 'the':3C 'vol':13C,14C 'you':1A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'rock and roll', 'doo wop', '50s', 'female vocals']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705421.499124  (2021-05-22 19:43:41)
                             'size'  4794240