======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Caterina Caselli'
                                     'text_people'  ''
                                         'release'  'Tape No042 - Real Girls In The Garage Land - Part IV'
                                           'title'  "Baby Please Don't Go"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', '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'  "['italiana', 'rock italiano', 'female vocalists', '60s', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '113.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No042 - Real Girls In The Garage Land - Part IV'
'TBPM' (BPM (beats per minute))                     '113.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "Baby Please Don't Go"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Caterina Caselli'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:COUNTRY'                                      '- IT'
'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'                                   ['italiana', 'rock italiano', 'female vocalists', '60s', 'italian']
'TXXX:q-bass'                                       '2'
'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'                        '+22.38 dB'
'TXXX:replaygain_track_peak'                        '0.024176'
'TXXX:tracknum'                                     '06'

========================== row from database ==========================
                                              'id'  1505064
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT042/06 - Caterina Caselli - Baby Please Don_t Go (1966 - IT).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3645188
                                           'mtime'  1620383095
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT042 06 Don_t (1966 IT) rock gr garage;set pl garagetapes
                                      'tag_artist'  Caterina Caselli
                                     'tag_release'  Tape No042 - Real Girls In The Garage Land - Part IV
                                       'tag_title'  Baby Please Don't Go
                                             'bpm'  113.6
                                    'search_title'  'baby':1 'don':3 'dont':5 'go':6 'please':2 't':4
                                   'search_artist'  'caselli':2 'caterina':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'iv':10 'land':8 'no042':2 'part':9 'real':3 'tape':1 'the':6
                                     'search_rest'  '1966':8,9 'blogspot':2 'com':3 'don':6 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt042':5 'it':10,11 'pl':18 'rock':12 'set':15,17 't':7
                                    'search_combo'  '1966':26,27 'baby':1A 'blogspot':20 'caselli':8B 'caterina':7B 'com':21 'don':3A,24 'dont':5A 'garage':15C,32,34 'garagetapes':19,37 'garagetapesblogspotcom':22 'girls':12C 'go':6A 'gr':31 'gt042':23 'in':13C 'it':28,29 'iv':18C 'land':16C 'no042':10C 'part':17C 'pl':36 'please':2A 'real':11C 'rock':30 'set':33,35 't':4A,25 'tape':9C 'the':14C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           '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-2', 'q-grit-2']
                                      'lastfmtags'  ['italiana', 'rock italiano', 'female vocalists', '60s', 'italian']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383095.378966  (2021-05-07 12:24:55)
                             'size'  3645188