======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'The Traffic Jam'
                                     'text_people'  ''
                                         'release'  'Tape No020 - Shadows In The Night'
                                           'title'  "I Don't Want You"
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['status quo', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '91.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No020 - Shadows In The Night'
'TBPM' (BPM (beats per minute))                     '91.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         "I Don't Want You"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Traffic Jam'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                   ['status quo', 'psychedelic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.361894'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1505573
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT020/10 - The Traffic Jam - I Don_t Want You (1967).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  6124537
                                           'mtime'  1620382861
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT020 10 Don_t (1967) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Traffic Jam
                                     'tag_release'  Tape No020 - Shadows In The Night
                                       'tag_title'  I Don't Want You
                                             'bpm'  91.1
                                    'search_title'  'don':2 'dont':4 'i':1 't':3 'want':5 'you':6
                                   'search_artist'  'jam':3 'the':1 'traffic':2
                                  'search_release'  'in':4 'night':6 'no020':2 'shadows':3 'tape':1 'the':5
                                     'search_rest'  '1967':8,9 'blogspot':2 'com':3 'don':6 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt020':5 'pl':16 'rock':10 'set':13,15 't':7
                                    'search_combo'  '1967':23,24 'blogspot':17 'com':18 'don':2A,21 'dont':4A 'garage':27,29 'garagetapes':16,32 'garagetapesblogspotcom':19 'gr':26 'gt020':20 'i':1A 'in':13C 'jam':9B 'night':15C 'no020':11C 'pl':31 'rock':25 'set':28,30 'shadows':12C 't':3A,22 'tape':10C 'the':7B,14C 'traffic':8B 'want':5A 'you':6A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['status quo', 'psychedelic rock']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620382861.0418754  (2021-05-07 12:21:01)
                             'size'  6124537