======================== unified (from filesystem) ========================
                                         'bitrate'  '198.346'
                                        'duration'  '160'
                                          'artist'  'Nancy Sinatra'
                                     '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-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', '60s', 'pop', 'oldies', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-pl-boots;set-cover or covered'
                                             'bpm'  '145.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'These boots are made for walking'
'TBPM' (BPM (beats per minute))                     '145.3'
'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)                                '9A'
'TLEN' (Length)                                     '160134'
'TPE1' (Lead performer(s)/Soloist(s))               'Nancy Sinatra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '26'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', '60s', 'pop', 'oldies', 'classic rock']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.391673'

========================== row from database ==========================
                                              'id'  1288461
                                            'path'  /data/Music/Bulk/00spent/these boots/Nancy Sinatra - These boots are made for walking.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  160
                                           'genre'  set-th-novelty-styledcovers;set-pl-boots;set-cover or covered
                                        'filesize'  3991149
                                           'mtime'  1678928175
                                   'redo_metaread'  0
                                        'rest_str'   00spent these set th novelty styledcovers;set pl boots;set cover covered
                                      'tag_artist'  Nancy Sinatra
                                     'tag_release'  These boots are made for walking
                                       'tag_title'  These boots are made for walking
                                             'bpm'  145.3
                                    'search_title'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walking':6
                                   'search_artist'  'nancy':1 'sinatra':2
                                  'search_release'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walking':6
                                     'search_rest'  '00spent':1 'boots':11,13 'cover':15 'covered':16 'novelty':5 'pl':10 'set':3,7,9,12,14 'styledcovers':6,8 'th':4 'these':2
                                    'search_combo'  '00spent':15 'are':3A,11C 'boots':2A,10C,25,27 'cover':29 'covered':30 'for':5A,13C 'made':4A,12C 'nancy':7B 'novelty':19 'pl':24 'set':17,21,23,26,28 'sinatra':8B 'styledcovers':20,22 'th':18 'these':1A,9C,16 'walking':6A,14C
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['female vocalists', '60s', 'pop', 'oldies', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928175.1417017  (2023-03-16 01:56:15)
                             'size'  3991149