======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '221'
                                          'artist'  'CROSBY, STILLS, NASH & YOUNG'
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  'Helpless'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', 'rock', '60s', 'folk', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '115.722'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x004\x00C\x004\x00D\x00+\x008\x001\x000\x004\x00+\x00C\x00E\x00A\x00F\x00+\x001\x000\x00F\x00B\x003\x00+\x001\x005\x005\x009\x00F\x00+\x001\x009\x00F\x00F\x000\x00+\x001\x00D\x005\x00A\x000\x00+\x001\x00F\x00B\x003\x008\x00+\x002\x005\x005\x008\x00F\x00+\x002\x008\x002\x00B\x001\x00\x00\x00')
'PRIV:AverageLevel:2\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'2\x10\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)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Helpless'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '221920'
'TPE1' (Lead performer(s)/Soloist(s))               'CROSBY, STILLS, NASH & YOUNG'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['folk rock', 'rock', '60s', 'folk', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.597302'

========================== row from database ==========================
                                              'id'  1411899
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/1958 crosby, stills, nash & young  -  helpless.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  221
                                           'genre'  rock-cppex-progressive
                                        'filesize'  8873132
                                           'mtime'  1620737203
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 1958 crosby, stills, nash young helpless rock cppex progressive
                                      'tag_artist'  CROSBY, STILLS, NASH & YOUNG
                                     'tag_release'  Progsoup 34
                                       'tag_title'  Helpless
                                             'bpm'  115.722
                                    'search_title'  'helpless':1
                                   'search_artist'  'crosby':1,2 'nash':5 'stills':3,4 'young':6
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '1958':7 'classicprogpsy':1 'cppex':16 'crosby':8,9 'helpless':14 'nash':12 'prog':5,6 'progressive':17 'progsoup':2 'rock':15 'sixties':3,4 'stills':10,11 'young':13
                                    'search_combo'  '1958':16 '34':9C 'classicprogpsy':10 'cppex':25 'crosby':2B,3B,17,18 'helpless':1A,23 'nash':6B,21 'prog':14,15 'progressive':26 'progsoup':8C,11 'rock':24 'sixties':12,13 'stills':4B,5B,19,20 'young':7B,22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'rock', '60s', 'folk', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737203.4598482  (2021-05-11 14:46:43)
                             'size'  8873132