======================== unified (from filesystem) ========================
                                         'bitrate'  '202.589'
                                        'duration'  '201'
                                          'artist'  'Eileen'
                                     'text_people'  ''
                                         'release'  'These boots are made for walking'
                                           'title'  'Questi stivale sono fatti per camminare'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-2', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['ye-ye', 'french', '60s', 'pop', 'french 60s']"
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-pl-boots;set-cover or covered'
                                             'bpm'  '85.2'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'These boots are made for walking'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-pl-boots', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Questi stivale sono fatti per camminare'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '200798'
'TPE1' (Lead performer(s)/Soloist(s))               'Eileen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'vocal']
'TXXX:lastfmtags'                                   ['ye-ye', 'french', '60s', 'pop', 'french 60s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.92 dB'
'TXXX:replaygain_track_peak'                        '0.409465'

========================== row from database ==========================
                                              'id'  1323632
                                            'path'  /data/Music/Bulk/00spent/these boots/Eileen - Questi stivale sono fatti per camminare (These boots are made for walking).mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  201
                                           'genre'  set-th-novelty-styledcovers;set-pl-boots;set-cover or covered
                                        'filesize'  5111086
                                           'mtime'  1678928174
                                   'redo_metaread'  0
                                        'rest_str'   00spent these (These walking) set th novelty styledcovers;set pl boots;set cover covered
                                      'tag_artist'  Eileen
                                     'tag_release'  These boots are made for walking
                                       'tag_title'  Questi stivale sono fatti per camminare
                                             'bpm'  85.2
                                    'search_title'  'camminare':6 'fatti':4 'per':5 'questi':1 'sono':3 'stivale':2
                                   'search_artist'  'eileen':1
                                  'search_release'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walking':6
                                     'search_rest'  '00spent':1 'boots':14,16 'cover':18 'covered':19 'novelty':8 'pl':13 'set':6,10,12,15,17 'styledcovers':9,11 'th':7 'these':2,3 'walking':4,5
                                    'search_combo'  '00spent':14 'are':10C 'boots':9C,27,29 'camminare':6A 'cover':31 'covered':32 'eileen':7B 'fatti':4A 'for':12C 'made':11C 'novelty':21 'per':5A 'pl':26 'questi':1A 'set':19,23,25,28,30 'sono':3A 'stivale':2A 'styledcovers':22,24 'th':20 'these':8C,15,16 'walking':13C,17,18
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['ye-ye', 'french', '60s', 'pop', 'french 60s']
                                        'tag_date'  
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1678928174.0157874  (2023-03-16 01:56:14)
                             'size'  5111086