======================== unified (from filesystem) ========================
                                         'bitrate'  '198.686'
                                        'duration'  '139'
                                          'artist'  'New Christy ministrels'
                                     'text_people'  ''
                                         'release'  'These boots are made for walking'
                                           'title'  'These boots are made for walking'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-pl-boots;set-cover or covered'
                                             'bpm'  '99.2'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'These boots are made for walking'
'TBPM' (BPM (beats per minute))                     '99.2'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-pl-boots', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'These boots are made for walking'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'New Christy ministrels'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.380340'

========================== row from database ==========================
                                              'id'  1319760
                                            'path'  /data/Music/Bulk/00spent/these boots/New christy minstrels - These boots are made for walking.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  139
                                           'genre'  set-th-novelty-styledcovers;set-pl-boots;set-cover or covered
                                        'filesize'  3460158
                                           'mtime'  1678928175
                                   'redo_metaread'  0
                                        'rest_str'   00spent these christy minstrels set th novelty styledcovers;set pl boots;set cover covered
                                      'tag_artist'  New Christy ministrels
                                     'tag_release'  These boots are made for walking
                                       'tag_title'  These boots are made for walking
                                             'bpm'  99.2
                                    'search_title'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walking':6
                                   'search_artist'  'christy':2 'ministrels':3 'new':1
                                  'search_release'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walking':6
                                     'search_rest'  '00spent':1 'boots':13,15 'christy':3 'cover':17 'covered':18 'minstrels':4 'novelty':7 'pl':12 'set':5,9,11,14,16 'styledcovers':8,10 'th':6 'these':2
                                    'search_combo'  '00spent':16 'are':3A,12C 'boots':2A,11C,28,30 'christy':8B,18 'cover':32 'covered':33 'for':5A,14C 'made':4A,13C 'ministrels':9B 'minstrels':19 'new':7B 'novelty':22 'pl':27 'set':20,24,26,29,31 'styledcovers':23,25 'th':21 'these':1A,10C,17 'walking':6A,15C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928175.2752914  (2023-03-16 01:56:15)
                             'size'  3460158