======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '149'
                                          'artist'  'The Wailers'
                                     'text_people'  ''
                                         'release'  "Tape No009 - I Don't Need No Doctor"
                                           'title'  "I'm Down"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '142.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No009 - I Don't Need No Doctor"
'TBPM' (BPM (beats per minute))                     '142.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "I'm Down"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Wailers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Big Beat'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.348745'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  1514216
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT009/12 - The Wailers - I_m Down.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  149
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4796288
                                           'mtime'  1620382770
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT009 12 I_m rock gr garage;set pl garagetapes
                                      'tag_artist'  The Wailers
                                     'tag_release'  Tape No009 - I Don't Need No Doctor
                                       'tag_title'  I'm Down
                                             'bpm'  142.5
                                    'search_title'  'down':4 'i':1 'im':3 'm':2
                                   'search_artist'  'the':1 'wailers':2
                                  'search_release'  'doctor':9 'don':4 'dont':6 'i':3 'need':7 'no':8 'no009':2 't':5 'tape':1
                                     'search_rest'  'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt009':5 'i':6 'm':7 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  'blogspot':17 'com':18 'doctor':15C 'don':10C 'dont':12C 'down':4A 'garage':25,27 'garagetapes':16,30 'garagetapesblogspotcom':19 'gr':24 'gt009':20 'i':1A,9C,21 'im':3A 'm':2A,22 'need':13C 'no':14C 'no009':8C 'pl':29 'rock':23 'set':26,28 't':11C 'tape':7C 'the':5B 'wailers':6B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620382770.3643644  (2021-05-07 12:19:30)
                             'size'  4796288