======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '209'
                                          'artist'  'Beverly Harmann'
                                     'text_people'  ''
                                         'release'  'NFL Music Library - NFL 103 - Man With A Mission'
                                           'title'  "The Big One (Lib. '77)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '90.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'fraykerbreaks.blogspot.com'
'TALB' (Album/Movie/Show title)                     'NFL Music Library - NFL 103 - Man With A Mission'
'TBPM' (BPM (beats per minute))                     '90.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         "The Big One (Lib. '77)"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beverly Harmann'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.667764'

========================== row from database ==========================
                                              'id'  1531821
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Beverly Harmann - The Big One (Lib. _77).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  209
                                           'genre'  funk or soul
                                        'filesize'  5071886
                                           'mtime'  1628357798
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _77) funk or soul
                                      'tag_artist'  Beverly Harmann
                                     'tag_release'  NFL Music Library - NFL 103 - Man With A Mission
                                       'tag_title'  The Big One (Lib. '77)
                                             'bpm'  90.1
                                    'search_title'  '77':6,7 'big':2 'lib':4,5 'one':3 'the':1
                                   'search_artist'  'beverly':1 'harmann':2
                                  'search_release'  '103':4 'a':7 'library':3 'man':5 'mission':8 'music':2 'nfl':1 'with':6
                                     'search_rest'  '70':6 '77':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '103':13C '70':23 '77':6A,7A,25,26 'a':16C 'beverly':8B 'big':2A 'easy':21 'funk':19 'harmann':9B 'instr':22 'lib':4A,5A 'library':12C 'man':14C 'mission':17C 'music':11C 'nfl':10C 'one':3A 'or':27 's':24 'soul':20 'swing':18 'the':1A 'with':15C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357798.3623383  (2021-08-07 19:36:38)
                             'size'  5071886