======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '130'
                                          'artist'  'The Delvins'
                                     'text_people'  ''
                                         'release'  'Tape No235 - The Girl I Once Knew (Moody Tunes - Part VII)'
                                           'title'  "You Know You're Losing Me"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'alternative rock', 'irish', 'rock', 'indie']"
                                     'discogstags'  "['beat', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '113.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     'Tape No235 - The Girl I Once Knew (Moody Tunes - Part VII)'
'TBPM' (BPM (beats per minute))                     '113.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "You Know You're Losing Me"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Delvins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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:country'                                      'Nl'
'TXXX:discogstags'                                  ['beat', 'garage rock', 'rock']
'TXXX:lastfmtags'                                   ['alternative', 'alternative rock', 'irish', 'rock', 'indie']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+16.96 dB'
'TXXX:replaygain_track_peak'                        '0.060114'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  1510120
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT235/04 - The Delvins - You Know You_re Losing Me (1966 Nl) (Grey Past).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  130
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3182293
                                           'mtime'  1620385440
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT235 04 You_re (1966 Nl) (Grey Past) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Delvins
                                     'tag_release'  Tape No235 - The Girl I Once Knew (Moody Tunes - Part VII)
                                       'tag_title'  You Know You're Losing Me
                                             'bpm'  113.3
                                    'search_title'  'know':2 'losing':6 'me':7 're':4 'you':1,3 'youre':5
                                   'search_artist'  'delvins':2 'the':1
                                  'search_release'  'girl':4 'i':5 'knew':7 'moody':8,9 'no235':2 'once':6 'part':11 'tape':1 'the':3 'tunes':10 'vii':12,13
                                     'search_rest'  '1966':8,9 'blogspot':2 'com':3 'garage':18,20 'garagetapes':1,23 'garagetapesblogspotcom':4 'gr':17 'grey':12,13 'gt235':5 'nl':10,11 'past':14,15 'pl':22 're':7 'rock':16 'set':19,21 'you':6
                                    'search_combo'  '1966':30,31 'blogspot':24 'com':25 'delvins':9B 'garage':40,42 'garagetapes':23,45 'garagetapesblogspotcom':26 'girl':13C 'gr':39 'grey':34,35 'gt235':27 'i':14C 'knew':16C 'know':2A 'losing':6A 'me':7A 'moody':17C,18C 'nl':32,33 'no235':11C 'once':15C 'part':20C 'past':36,37 'pl':44 're':4A,29 'rock':38 'set':41,43 'tape':10C 'the':8B,12C 'tunes':19C 'vii':21C,22C 'you':1A,3A,28 'youre':5A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'alternative rock', 'irish', 'rock', 'indie']
                                        'tag_date'  1966
                                     'discogstags'  ['beat', 'garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620385440.0353458  (2021-05-07 13:04:00)
                             'size'  3182293