======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Syd Dale'
                                     'text_people'  ''
                                         'release'  'Strictly For The Birds/Straight Down The Middle'
                                           'title'  'One For The Bird'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'jazz', 'illstreet', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '134.645'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'2\x000\x00+\x009\x006\x00+\x002\x00D\x006\x00D\x00+\x005\x007\x009\x007\x00+\x008\x003\x000\x00E\x00+\x00B\x003\x005\x000\x00+\x00E\x005\x00D\x006\x00+\x001\x001\x004\x003\x00D\x00+\x001\x005\x001\x00C\x002\x00+\x001\x008\x009\x00E\x007\x00+\x001\x00B\x009\x00C\x000\x00+\x001\x00E\x006\x000\x00E\x00+\x002\x001\x005\x008\x001\x00+\x002\x004\x00B\x005\x00A\x00+\x002\x006\x00E\x00F\x007\x00+\x002\x009\x00E\x00C\x00D\x00+\x002\x00D\x002\x009\x000\x00+\x003\x000\x006\x00E\x004\x00+\x003\x003\x006\x00F\x00E\x00+\x003\x006\x00E\x003\x002\x00+\x003\x009\x009\x00E\x00A\x00+\x003\x00C\x007\x007\x008\x00+\x003\x00F\x004\x00A\x001\x00+\x004\x002\x00B\x000\x007\x00+\x004\x005\x006\x00E\x006\x00+\x004\x006\x001\x002\x00D\x00+\x004\x006\x00E\x005\x007\x00+\x004\x007\x00D\x007\x002\x00+\x004\x00A\x00A\x00A\x00F\x00+\x004\x00E\x001\x000\x000\x00+\x004\x00F\x003\x00D\x00C\x00+\x005\x001\x005\x003\x00A\x00+\x005\x002\x00E\x005\x005\x00+\x005\x004\x006\x003\x001\x00\x00\x00')
'PRIV:AverageLevel:{\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x12\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)                     'Strictly For The Birds/Straight Down The Middle'
'TBPM' (BPM (beats per minute))                     '134.645'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'One For The Bird'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '172453'
'TPE1' (Lead performer(s)/Soloist(s))               'Syd Dale'
'TPE2' (Band/orchestra/accompaniment)               'Syd Dale'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'jazz', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.594348'

========================== row from database ==========================
                                              'id'  981128
                                            'path'  /data/Music/Bulk/0soundtrack/PARRY MUSIC LIBRARY/PM007 mp3/05 A5 One For The Bird.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6896052
                                           'mtime'  1620541808
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack PARRY MUSIC LIBRARY PM007 mp3 05 A5 prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Syd Dale
                                     'tag_release'  Strictly For The Birds/Straight Down The Middle
                                       'tag_title'  One For The Bird
                                             'bpm'  134.645
                                    'search_title'  'bird':4 'for':2 'one':1 'the':3
                                   'search_artist'  'dale':2 'syd':1
                                  'search_release'  'birds':4 'birdsstraight':6 'down':7 'for':2 'middle':8 'straight':5 'strictly':1 'the':3
                                     'search_rest'  '0soundtrack':1 'a5':7 'bossa':13 'exotica':12 'jazz':10 'jb':9 'library':4 'lounge':11 'mp3':6 'music':3 'parry':2 'pm007':5 'prerock':8
                                    'search_combo'  '0soundtrack':15 'a5':21 'bird':4A 'birds':10C 'birdsstraight':12C 'bossa':27 'dale':6B 'down':13C 'exotica':26 'for':2A,8C 'jazz':24 'jb':23 'library':18 'lounge':25 'middle':14C 'mp3':20 'music':17 'one':1A 'parry':16 'pm007':19 'prerock':22 'straight':11C 'strictly':7C 'syd':5B 'the':3A,9C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'jazz', 'illstreet', 'easy listening']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541807.7590084  (2021-05-09 08:30:07)
                             'size'  6896052