======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '236'
                                          'artist'  'Chicago'
                                     'text_people'  ''
                                         'release'  'The Heart Of Chicago 1967-1997'
                                           'title'  'If You Leave Me Now'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', '70s', 'classic rock']"
                                     'discogstags'  "['electronic', 'psy-trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '15'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;rock-cppex;set-pl-billboard'
                                             'bpm'  '105.974'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000596 00000504 000045D8 000045B4 0003556C 0003556C 00008000 00008000 '
 '00020203 0001E6CD')
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x006\x002\x00E\x00C\x00+\x00B\x00F\x001\x00A\x00+\x001\x000\x006\x00B\x004\x00+\x001\x005\x002\x007\x005\x00+\x001\x009\x00C\x002\x000\x00+\x001\x00D\x009\x007\x00A\x00+\x002\x002\x005\x007\x007\x00+\x002\x006\x008\x00E\x00A\x00+\x002\x00B\x005\x006\x00A\x00+\x002\x00F\x00A\x00D\x005\x00+\x003\x005\x005\x00D\x00A\x00+\x003\x009\x00D\x00E\x002\x00+\x004\x001\x002\x000\x000\x00+\x004\x005\x008\x00A\x00C\x00+\x004\x00B\x002\x00D\x001\x00+\x004\x00F\x002\x005\x00C\x00+\x005\x003\x00A\x00D\x002\x00+\x005\x007\x003\x00A\x008\x00\x00\x00')
'PRIV:AverageLevel:{\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x13\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Heart Of Chicago 1967-1997'
'TBPM' (BPM (beats per minute))                     '105.974'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'rock-cppex', 'set-pl-billboard']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'If You Leave Me Now'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '236946'
'TPE1' (Lead performer(s)/Soloist(s))               'Chicago'
'TPE2' (Band/orchestra/accompaniment)               'Chicago'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'psy-trance']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.626490'

========================== row from database ==========================
                                              'id'  1294081
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/10 chicago - if you leave me know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  236
                                           'genre'  rock-unsorted;rock-cppex;set-pl-billboard
                                        'filesize'  3836509
                                           'mtime'  1676125646
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10 chicago if you leave me know rock unsorted;rock cppex;set pl billboard
                                      'tag_artist'  Chicago
                                     'tag_release'  The Heart Of Chicago 1967-1997
                                       'tag_title'  If You Leave Me Now
                                             'bpm'  105.974
                                    'search_title'  'if':1 'leave':3 'me':4 'now':5 'you':2
                                   'search_artist'  'chicago':1
                                  'search_release'  '1967':5 '19671997':7 '1997':6 'chicago':4 'heart':2 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'billboard':23 'chicago':7 'cppex':18,20 'files':5,6 'if':8 'know':12 'leave':10 'loose':3,4 'me':11 'pl':22 'rock':13,15,17 'set':19,21 'unsorted':2,14,16 'you':9
                                    'search_combo'  '00poprockelectronic':14 '1967':11C '19671997':13C '1997':12C 'billboard':36 'chicago':6B,10C,20 'cppex':31,33 'files':18,19 'heart':8C 'if':1A,21 'know':25 'leave':3A,23 'loose':16,17 'me':4A,24 'now':5A 'of':9C 'pl':35 'rock':26,28,30 'set':32,34 'the':7C 'unsorted':15,27,29 'you':2A,22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'rock', 'pop', '70s', 'classic rock']
                                        'tag_date'  1976
                                     'discogstags'  ['electronic', 'psy-trance']

============================== file details ==============================
                                           'mtime'  1676125645.8856587  (2023-02-11 15:27:25)
                             'size'  3836509