======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '143'
                                          'artist'  'Pat Boone'
                                     'text_people'  ''
                                         'release'  'Pat Boone: The Complete Fifties CD1'
                                           'title'  "I'm In Love With You"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'country', 'pop', 'swing', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '313'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '143.517'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:ñ\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xf1\x12\x00\x00')
'PRIV:PeakValue:p~\x00\x00'                         PRIV(owner='PeakValue', data=b'p~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Pat Boone: The Complete Fifties CD1'
'TBPM' (BPM (beats per minute))                     '143.517'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         "I'm In Love With You"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pat Boone'
'TRCK' (Track number/Position in set)               '313'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', '60s', 'country', 'pop', 'swing', '50s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.493919'

========================== row from database ==========================
                                              'id'  1497670
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-313 - Pat Boone - I_m In Love With You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  143
                                           'genre'  prerock-swing
                                        'filesize'  5752704
                                           'mtime'  1620562579
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 313 I_m prerock swing
                                      'tag_artist'  Pat Boone
                                     'tag_release'  Pat Boone: The Complete Fifties CD1
                                       'tag_title'  I'm In Love With You
                                             'bpm'  143.517
                                    'search_title'  'i':1 'im':3 'in':4 'love':5 'm':2 'with':6 'you':7
                                   'search_artist'  'boone':2 'pat':1
                                  'search_release'  'boone':2,3 'cd1':7 'complete':5 'fifties':6 'pat':1 'the':4
                                     'search_rest'  '00oldiepop':5 '1956':6 '313':7 'country':4 'exotica':2 'i':8 'jazz':1 'm':9 'oldies':3 'prerock':10 'swing':11
                                    'search_combo'  '00oldiepop':21 '1956':22 '313':23 'boone':9B,11C,12C 'cd1':16C 'complete':14C 'country':20 'exotica':18 'fifties':15C 'i':1A,24 'im':3A 'in':4A 'jazz':17 'love':5A 'm':2A,25 'oldies':19 'pat':8B,10C 'prerock':26 'swing':27 'the':13C 'with':6A 'you':7A
                                    'tag_tracknum'  313
                                      '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['oldies', '60s', 'country', 'pop', 'swing', '50s']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562578.6919072  (2021-05-09 14:16:18)
                             'size'  5752704