======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '1849'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Pee WeeKing RedDeckOfCards'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', '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-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '117.195'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '117.195'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TIT2' (Title/songname/content description)         'Pee WeeKing RedDeckOfCards'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'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'                                        '2'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-3.75 dB'
'TXXX:replaygain_track_peak'                        '1.019138'
'TXXX:sortunder'                                    'p'

========================== row from database ==========================
                                              'id'  914315
                                            'path'  /data/Music/Bulk/sns/Pee_WeeKing_RedDeckOfCards_0007.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  1849
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  29591597
                                           'mtime'  1621044027
                                   'redo_metaread'  0
                                        'rest_str'   sns Pee_WeeKing_RedDeckOfCards_0007 set pl shirleyspinoza
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Pee WeeKing RedDeckOfCards
                                             'bpm'  117.195
                                    'search_title'  'cards':9 'deck':7 'king':5 'of':8 'pee':1 'red':6 'reddeckofcards':3 'wee':4 'weeking':2
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0007':5,16 'cards':15 'deck':13 'king':11 'of':14 'pee':2,9 'pl':7 'red':12 'reddeckofcards':4 'set':6 'shirleyspinoza':8 'sns':1 'wee':10 'weeking':3
                                    'search_combo'  '0007':18,29 'cards':9A,28 'deck':7A,26 'king':5A,24 'of':8A,27 'pee':1A,15,22 'pl':20 'red':6A,25 'reddeckofcards':3A,17 'set':19 'shirley':10B,12C 'shirleyspinoza':21 'sns':14 'spinoza':11B,13C 'wee':4A,23 'weeking':2A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', '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'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044027.4980102  (2021-05-15 04:00:27)
                             'size'  29591597