======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '382'
                                          'artist'  'Finnebassen'
                                     'text_people'  ''
                                         'release'  'Lanig'
                                           'title'  'If You Only Knew (Original Mix) - YouTube'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['deep house', 'house', 'electronic', 'norwegian', 'nu disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '116.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'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')
'TALB' (Album/Movie/Show title)                     'Lanig'
'TBPM' (BPM (beats per minute))                     '116.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'If You Only Knew (Original Mix) - YouTube'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Finnebassen'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deep house', 'house', 'electronic', 'norwegian', 'nu disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.579697'

========================== row from database ==========================
                                              'id'  1358384
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/Finnebassen - If You Only Knew (Original Mix) - YouTube.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  382
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  9178954
                                           'mtime'  1621085263
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th techno minimal or deephouse
                                      'tag_artist'  Finnebassen
                                     'tag_release'  Lanig
                                       'tag_title'  If You Only Knew (Original Mix) - YouTube
                                             'bpm'  116.9
                                    'search_title'  'if':1 'knew':4 'mix':7,8 'only':3 'original':5,6 'tube':10 'you':2 'youtube':9
                                   'search_artist'  'finnebassen':1
                                  'search_release'  'lanig':1
                                     'search_rest'  '00poprockelectronic':1 'deephouse':7 'electronic':2 'minimal':5 'or':6 'techno':4 'th':3
                                    'search_combo'  '00poprockelectronic':13 'deephouse':19 'electronic':14 'finnebassen':11B 'if':1A 'knew':4A 'lanig':12C 'minimal':17 'mix':7A,8A 'only':3A 'or':18 'original':5A,6A 'techno':16 'th':15 'tube':10A 'you':2A 'youtube':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['deep house', 'house', 'electronic', 'norwegian', 'nu disco']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085263.0083044  (2021-05-15 15:27:43)
                             'size'  9178954