======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'Mark Radice'
                                     'text_people'  ''
                                         'release'  'Tape No241 - Tossin and Turning'
                                           'title'  'Ten Thousand Year Old Blues'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'soft rock', 'psychedelic', 'power pop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '129.4'
                                             'key'  '12B'
                                        '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 No241 - Tossin and Turning'
'TBPM' (BPM (beats per minute))                     '129.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Ten Thousand Year Old Blues'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mark Radice'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'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'                                      'US'
'TXXX:lastfmtags'                                   ['classic rock', 'soft rock', 'psychedelic', 'power pop', 'funk']
'TXXX:q-bass'                                       '1'
'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'                        '+24.16 dB'
'TXXX:replaygain_track_peak'                        '0.035581'
'TXXX:tracknum'                                     '18'

========================== row from database ==========================
                                              'id'  500083
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT241/18 - Mark Radice - Ten Thousand Year Old Blues (1968 US) (Decca).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4615657
                                           'mtime'  1620385476
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT241 18 (1968 US) (Decca) rock gr garage;set pl garagetapes
                                      'tag_artist'  Mark Radice
                                     'tag_release'  Tape No241 - Tossin and Turning
                                       'tag_title'  Ten Thousand Year Old Blues
                                             'bpm'  129.4
                                    'search_title'  'blues':5 'old':4 'ten':1 'thousand':2 'year':3
                                   'search_artist'  'mark':1 'radice':2
                                  'search_release'  'and':4 'no241':2 'tape':1 'tossin':3 'turning':5
                                     'search_rest'  '18':6 '1968':7,8 'blogspot':2 'com':3 'decca':11,12 'garage':15,17 'garagetapes':1,20 'garagetapesblogspotcom':4 'gr':14 'gt241':5 'pl':19 'rock':13 'set':16,18 'us':9,10
                                    'search_combo'  '18':18 '1968':19,20 'and':11C 'blogspot':14 'blues':5A 'com':15 'decca':23,24 'garage':27,29 'garagetapes':13,32 'garagetapesblogspotcom':16 'gr':26 'gt241':17 'mark':6B 'no241':9C 'old':4A 'pl':31 'radice':7B 'rock':25 'set':28,30 'tape':8C 'ten':1A 'thousand':2A 'tossin':10C 'turning':12C 'us':21,22 'year':3A
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  12B
                                           '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-1', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'soft rock', 'psychedelic', 'power pop', 'funk']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385476.063012  (2021-05-07 13:04:36)
                             'size'  4615657