======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '223'
                                          'artist'  'Swamp Rats'
                                     'text_people'  ''
                                         'release'  "Tape No001 - I've Got You On My Mind "
                                           'title'  "It's Not Easy"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'garage punk', 'proto punk', '60s', 'garage']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '135.8'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No001 - I've Got You On My Mind "
'TBPM' (BPM (beats per minute))                     '135.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "It's Not Easy"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Swamp Rats'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'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'                                   ['garage rock', 'garage punk', 'proto punk', '60s', 'garage']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.485472'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  1511857
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT001/03 - Swamp Rats - It_s Not Easy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  223
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5372787
                                           'mtime'  1620382700
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT001 03 It_s rock gr garage;set pl garagetapes
                                      'tag_artist'  Swamp Rats
                                     'tag_release'  Tape No001 - I've Got You On My Mind 
                                       'tag_title'  It's Not Easy
                                             'bpm'  135.8
                                    'search_title'  'easy':5 'it':1 'its':3 'not':4 's':2
                                   'search_artist'  'rats':2 'swamp':1
                                  'search_release'  'got':6 'i':3 'ive':5 'mind':10 'my':9 'no001':2 'on':8 'tape':1 've':4 'you':7
                                     'search_rest'  'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt001':5 'it':6 'pl':14 'rock':8 's':7 'set':11,13
                                    'search_combo'  'blogspot':19 'com':20 'easy':5A 'garage':27,29 'garagetapes':18,32 'garagetapesblogspotcom':21 'got':13C 'gr':26 'gt001':22 'i':10C 'it':1A,23 'its':3A 'ive':12C 'mind':17C 'my':16C 'no001':9C 'not':4A 'on':15C 'pl':31 'rats':7B 'rock':25 's':2A,24 'set':28,30 'swamp':6B 'tape':8C 've':11C 'you':14C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'garage punk', 'proto punk', '60s', 'garage']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620382699.9021173  (2021-05-07 12:18:19)
                             'size'  5372787