======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '130'
                                          'artist'  'The Blizzards'
                                     'text_people'  ''
                                         'release'  "Tape No096 - The Class Of '65 (Part I)"
                                           'title'  'Faithless Sleep'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-LOCALNESS-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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'irish', '60s', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '121.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00ga'                                      'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No096 - The Class Of '65 (Part I)"
'TBPM' (BPM (beats per minute))                     '121.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Faithless Sleep'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Blizzards'
'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'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'DE'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'irish', '60s', 'rock']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.63 dB'
'TXXX:replaygain_track_peak'                        '0.037457'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  501601
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT096/04 - The Blizzards - Faithless Sleep (DE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  130
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3125248
                                           'mtime'  1620383982
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT096 04 (DE) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Blizzards
                                     'tag_release'  Tape No096 - The Class Of '65 (Part I)
                                       'tag_title'  Faithless Sleep
                                             'bpm'  121.3
                                    'search_title'  'faithless':1 'sleep':2
                                   'search_artist'  'blizzards':2 'the':1
                                  'search_release'  '65':6,7 'class':4 'i':10,11 'no096':2 'of':5 'part':8,9 'tape':1 'the':3
                                     'search_rest'  'blogspot':2 'com':3 'de':6,7 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt096':5 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '65':10C,11C 'blizzards':4B 'blogspot':17 'class':8C 'com':18 'de':21,22 'faithless':1A 'garage':25,27 'garagetapes':16,30 'garagetapesblogspotcom':19 'gr':24 'gt096':20 'i':14C,15C 'no096':6C 'of':9C 'part':12C,13C 'pl':29 'rock':23 'set':26,28 'sleep':2A 'tape':5C 'the':3B,7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'irish', '60s', 'rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383982.0880604  (2021-05-07 12:39:42)
                             'size'  3125248