======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '135'
                                          'artist'  'Don Moreland'
                                     'text_people'  ''
                                         'release'  'Moreland Tapes'
                                           'title'  'Why (Live)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '84.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Moreland Tapes'
'TBPM' (BPM (beats per minute))                     '84.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'Why (Live)'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '135877'
'TPE1' (Lead performer(s)/Soloist(s))               'Don Moreland'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.97 dB'
'TXXX:replaygain_track_peak'                        '0.589198'

========================== row from database ==========================
                                              'id'  660290
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/287_03_Don_Moreland_-_Why_(Live).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  135
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2244745
                                           'mtime'  1620538335
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 287_03_Don_Moreland_ _Why_(Live) prerock jb jazz unsorted
                                      'tag_artist'  Don Moreland
                                     'tag_release'  Moreland Tapes
                                       'tag_title'  Why (Live)
                                             'bpm'  84.7
                                    'search_title'  'live':2,3 'why':1
                                   'search_artist'  'don':1 'moreland':2
                                  'search_release'  'moreland':1 'tapes':2
                                     'search_rest'  '03':2 '287':1 'don':3 'jazz':11 'jb':10 'live':6,8 'moreland':4 'prerock':9 'unsorted':12 'why':5,7
                                    'search_combo'  '03':9 '287':8 'don':4B,10 'jazz':18 'jb':17 'live':2A,3A,13,15 'moreland':5B,6C,11 'prerock':16 'tapes':7C 'unsorted':19 'why':1A,12,14
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538334.736692  (2021-05-09 07:32:14)
                             'size'  2244745