======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '54'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'Songs In The Key Of Springfield'
                                           'title'  '$pringfield (Medley) - End Credits Theme (Big Band Vegas Version)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                                     'discogstags'  "['stage & screen', 'soundtrack']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '138.892'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songs In The Key Of Springfield'
'TBPM' (BPM (beats per minute))                     '138.892'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         '$pringfield (Medley) - End Credits Theme (Big Band Vegas Version)'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '54804'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['stage & screen', 'soundtrack']
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.583604'

========================== row from database ==========================
                                              'id'  851108
                                            'path'  /data/Music/Bulk/0soundtrack/[tv tunes]/08_$pringfield (Medley) - End Credits Theme (Big Band Vegas V.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  54
                                           'genre'  soundtrack-video-series
                                        'filesize'  878464
                                           'mtime'  1678463981
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [tv tunes] 08_$pringfield soundtrack video series
                                      'tag_artist'  The Simpsons
                                     'tag_release'  Songs In The Key Of Springfield
                                       'tag_title'  $pringfield (Medley) - End Credits Theme (Big Band Vegas Version)
                                             'bpm'  138.892
                                    'search_title'  'band':9 'big':7,8 'credits':5 'end':4 'medley':2,3 'pringfield':1 'theme':6 'vegas':10 'version':11,12
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'in':2 'key':4 'of':5 'songs':1 'springfield':6 'the':3
                                     'search_rest'  '08':6 '0soundtrack':1 'pringfield':7 'series':10 'soundtrack':8 'tunes':4,5 'tv':2,3 'video':9
                                    'search_combo'  '08':26 '0soundtrack':21 'band':9A 'big':7A,8A 'credits':5A 'end':4A 'in':16C 'key':18C 'medley':2A,3A 'of':19C 'pringfield':1A,27 'series':30 'simpsons':14B 'songs':15C 'soundtrack':28 'springfield':20C 'the':13B,17C 'theme':6A 'tunes':24,25 'tv':22,23 'vegas':10A 'version':11A,12A 'video':29
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1980
                                     'discogstags'  ['stage & screen', 'soundtrack']

============================== file details ==============================
                                           'mtime'  1678463981.0197287  (2023-03-10 16:59:41)
                             'size'  878464