======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Fame Gang'
                                     'text_people'  ''
                                         'release'  'Funky16Corners Blog'
                                           'title'  'Spooky (fl.)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'muscle shoals', 'funk', '1969', 'fame']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '109.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x005\x002\x00F\x00B\x00+\x008\x006\x001\x002\x00+\x00A\x00D\x00F\x00F\x00+\x00D\x004\x00F\x00D\x00+\x001\x000\x009\x005\x004\x00+\x001\x003\x00A\x00C\x005\x00+\x001\x007\x003\x006\x00B\x00+\x001\x009\x00F\x008\x006\x00+\x001\x00C\x00D\x00F\x004\x00+\x001\x00F\x008\x00E\x007\x00\x00\x00')
'PRIV:AverageLevel:±3\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xb13\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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)                     'Funky16Corners Blog'
'TBPM' (BPM (beats per minute))                     '109.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Spooky (fl.)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '146586'
'TPE1' (Lead performer(s)/Soloist(s))               'Fame Gang'
'TRCK' (Track number/Position in set)               '10'
'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'                                   ['soul', 'muscle shoals', 'funk', '1969', 'fame']
'TXXX:q-bass'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-13.51 dB'
'TXXX:replaygain_track_peak'                        '1.258457'

========================== row from database ==========================
                                              'id'  1522750
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Fame Gang - Spooky (fl.).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  funk or soul
                                        'filesize'  3516212
                                           'mtime'  1628357823
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk soul
                                      'tag_artist'  Fame Gang
                                     'tag_release'  Funky16Corners Blog
                                       'tag_title'  Spooky (fl.)
                                             'bpm'  109.6
                                    'search_title'  'fl':2,3 'spooky':1
                                   'search_artist'  'fame':1 'gang':2
                                  'search_release'  'blog':2 'funky16corners':1
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':13 'blog':7C 'easy':11 'fame':4B 'fl':2A,3A 'funk':9 'funky16corners':6C 'gang':5B 'instr':12 's':14 'soul':10 'spooky':1A 'swing':8
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'muscle shoals', 'funk', '1969', 'fame']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357823.2923605  (2021-08-07 19:37:03)
                             'size'  3516212