======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '71'
                                          'artist'  'Theme Song'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "1960's TV Batman"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '145.267'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "1960's TV Batman"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '71000'
'TPE1' (Lead performer(s)/Soloist(s))               'Theme Song'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.502972'

========================== row from database ==========================
                                              'id'  1516565
                                            'path'  /data/Music/Bulk/0soundtrack/[tv tunes]/1960_s TV Batman.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  71
                                           'genre'  soundtrack-video-series
                                        'filesize'  1433472
                                           'mtime'  1620329254
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [tv tunes] 1960_s soundtrack video series
                                      'tag_artist'  Theme Song
                                     'tag_release'  None
                                       'tag_title'  1960's TV Batman
                                             'bpm'  145.267
                                    'search_title'  '1960':1 '1960s':3 'batman':5 's':2 'tv':4
                                   'search_artist'  'song':2 'theme':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 '1960':6 's':7 'series':10 'soundtrack':8 'tunes':4,5 'tv':2,3 'video':9
                                    'search_combo'  '0soundtrack':8 '1960':1A,13 '1960s':3A 'batman':5A 's':2A,14 'series':17 'song':7B 'soundtrack':15 'theme':6B 'tunes':11,12 'tv':4A,9,10 'video':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620329253.5751595  (2021-05-06 21:27:33)
                             'size'  1433472