======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '2220'
                                          'artist'  'ChinstrapMusic  TeenagersBattleTheThing p1'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'ChinstrapMusic  TeenagersBattleTheThing p1'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '140.238'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TIT2' (Title/songname/content description)         'ChinstrapMusic  TeenagersBattleTheThing p1'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'ChinstrapMusic  TeenagersBattleTheThing p1'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-3.05 dB'
'TXXX:replaygain_track_peak'                        '0.941820'
'TXXX:sortunder'                                    'c'

========================== row from database ==========================
                                              'id'  883722
                                            'path'  /data/Music/Bulk/sns/ChinstrapMusic__TeenagersBattleTheThing_p1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  2220
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  35522605
                                           'mtime'  1621488859
                                   'redo_metaread'  0
                                        'rest_str'   sns ChinstrapMusic__TeenagersBattleTheThing_p1 set pl shirleyspinoza
                                      'tag_artist'  ChinstrapMusic  TeenagersBattleTheThing p1
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  ChinstrapMusic  TeenagersBattleTheThing p1
                                             'bpm'  140.238
                                    'search_title'  'battle':7 'chinstrap':4 'chinstrapmusic':1 'music':5 'p1':3 'teenagers':6 'teenagersbattlethething':2 'the':8 'thing':9
                                   'search_artist'  'battle':7 'chinstrap':4 'chinstrapmusic':1 'music':5 'p1':3 'teenagers':6 'teenagersbattlethething':2 'the':8 'thing':9
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'battle':11 'chinstrap':8 'chinstrapmusic':2 'music':9 'p1':4,14 'pl':6 'set':5 'shirleyspinoza':7 'sns':1 'teenagers':10 'teenagersbattlethething':3 'the':12 'thing':13
                                    'search_combo'  'battle':7A,16B,31 'chinstrap':4A,13B,28 'chinstrapmusic':1A,10B,22 'music':5A,14B,29 'p1':3A,12B,24,34 'pl':26 'set':25 'shirley':19C 'shirleyspinoza':27 'sns':21 'spinoza':20C 'teenagers':6A,15B,30 'teenagersbattlethething':2A,11B,23 'the':8A,17B,32 'thing':9A,18B,33
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621488859.1239522  (2021-05-20 07:34:19)
                             'size'  35522605