======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Os claves'
                                     'text_people'  ''
                                         'release'  "Tape No266 - california dreamin'"
                                           'title'  'California dreaming'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-drums-3', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'Q-CHART-1', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['spencer davis group cover']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '130.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '1967 pt'
'TALB' (Album/Movie/Show title)                     "Tape No266 - california dreamin'"
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'California dreaming'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Os claves'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'spencer davis group cover'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.667958'

========================== row from database ==========================
                                              'id'  1529411
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/VVAA - GarageTapes 266. California dreamin_/20. os claves - california dreaming.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3607317
                                           'mtime'  1620385604
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com VVAA GarageTapes 266. dreamin_ 20. os rock gr garage;set pl garagetapes
                                      'tag_artist'  Os claves
                                     'tag_release'  Tape No266 - california dreamin'
                                       'tag_title'  California dreaming
                                             'bpm'  130.0
                                    'search_title'  'california':1 'dreaming':2
                                   'search_artist'  'claves':2 'os':1
                                  'search_release'  'california':3 'dreamin':4,5 'no266':2 'tape':1
                                     'search_rest'  '20':10,11 '266':7,8 'blogspot':2 'com':3 'dreamin':9 'garage':15,17,20 'garagetapes':1,6 'garagetapesblogspotcom':4 'gr':14 'os':12 'pl':19 'rock':13 'set':16,18 'tapes':21 'vvaa':5
                                    'search_combo'  '20':19,20 '266':16,17 'blogspot':11 'california':1A,7C 'claves':4B 'com':12 'dreamin':8C,9C,18 'dreaming':2A 'garage':24,26,29 'garagetapes':10,15 'garagetapesblogspotcom':13 'gr':23 'no266':6C 'os':3B,21 'pl':28 'rock':22 'set':25,27 'tape':5C 'tapes':30 'vvaa':14
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-3', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['spencer davis group cover']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385603.8263566  (2021-05-07 13:06:43)
                             'size'  3607317