======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '202'
                                          'artist'  'Armando Trovaioli'
                                     'text_people'  ''
                                         'release'  'Una Magnum Special per Tony Saitta'
                                           'title'  "Tony's Back ('76)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', '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']")
                                      'lastfmtags'  "['soundtrack', 'lounge', 'jazz', 'composer', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '102.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x009\x00+\x009\x006\x00+\x002\x008\x000\x00F\x00+\x006\x004\x00D\x001\x00+\x008\x008\x009\x008\x00+\x00B\x002\x00A\x00E\x00+\x00D\x006\x003\x00A\x00+\x001\x001\x00A\x004\x00D\x00+\x001\x005\x005\x009\x007\x00+\x001\x008\x001\x008\x00E\x00+\x001\x00A\x008\x00F\x00A\x00+\x001\x00D\x007\x00B\x003\x00+\x002\x000\x005\x004\x009\x00+\x002\x002\x00D\x007\x00D\x00+\x002\x006\x003\x006\x007\x00+\x002\x009\x008\x003\x004\x00+\x002\x00D\x007\x004\x009\x00+\x003\x000\x000\x00C\x00E\x00+\x003\x002\x002\x008\x002\x00+\x003\x004\x00D\x00A\x00A\x00+\x003\x008\x000\x005\x007\x00+\x003\x00C\x003\x003\x001\x00+\x003\x00E\x00F\x00B\x003\x00+\x004\x001\x000\x003\x00E\x00+\x004\x002\x008\x00E\x00E\x00+\x004\x004\x00F\x00D\x009\x00+\x004\x007\x007\x001\x008\x00\x00\x00')
'PRIV:AverageLevel:>\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'>\x0e\x00\x00')
'PRIV:PeakValue:Uv\x00\x00'                         PRIV(owner='PeakValue', data=b'Uv\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)                     'Una Magnum Special per Tony Saitta'
'TBPM' (BPM (beats per minute))                     '102.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         "Tony's Back ('76)"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '202373'
'TPE1' (Lead performer(s)/Soloist(s))               'Armando Trovajoli'
'TPE2' (Band/orchestra/accompaniment)               'Armando Trovaioli'
'TRCK' (Track number/Position in set)               '07'
'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'                                   ['soundtrack', 'lounge', 'jazz', 'composer', 'italian']
'TXXX:q-bass'                                       '3'
'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'                        '-2.25 dB'
'TXXX:replaygain_track_peak'                        '0.920036'

========================== row from database ==========================
                                              'id'  1526888
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Armando Trovajoli - (F. _Una Magnum Special Per Tony Saitta_) - Tony_s Back (_76).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  202
                                           'genre'  funk or soul
                                        'filesize'  8243185
                                           'mtime'  1628357795
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s Trovajoli (F. _Una Per Saitta_) Tony_s (_76) funk or soul
                                      'tag_artist'  Armando Trovaioli
                                     'tag_release'  Una Magnum Special per Tony Saitta
                                       'tag_title'  Tony's Back ('76)
                                             'bpm'  102.8
                                    'search_title'  '76':5,6 'back':4 's':2 'tony':1 'tonys':3
                                   'search_artist'  'armando':1 'trovaioli':2
                                  'search_release'  'magnum':2 'per':4 'saitta':6 'special':3 'tony':5 'una':1
                                     'search_rest'  '70':6 '76':17,18 'easy':4 'f':9,10 'funk':2 'instr':5 'or':19 'per':12 's':7,16 'saitta':13,14 'soul':3 'swing':1 'tony':15 'trovajoli':8 'una':11
                                    'search_combo'  '70':20 '76':5A,6A,31,32 'armando':7B 'back':4A 'easy':18 'f':23,24 'funk':16 'instr':19 'magnum':10C 'or':33 'per':12C,26 's':2A,21,30 'saitta':14C,27,28 'soul':17 'special':11C 'swing':15 'tony':1A,13C,29 'tonys':3A 'trovaioli':8B 'trovajoli':22 'una':9C,25
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           '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-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'lounge', 'jazz', 'composer', 'italian']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357795.023202  (2021-08-07 19:36:35)
                             'size'  8243185