======================== unified (from filesystem) ========================
                                         'bitrate'  '207.519'
                                        'duration'  '386'
                                          'artist'  'IOOI'
                                     'text_people'  ''
                                         'release'  'Wet Nature'
                                           'title'  'Skittish Sky (Feat.Leoboris)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic', '279ooo', 'numbers', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '100.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Wet Nature'
'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Skittish Sky (Feat.Leoboris)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'IOOI'
'TPE2' (Band/orchestra/accompaniment)               'IOOI'
'TRCK' (Track number/Position in set)               '08/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychedelic', '279ooo', 'numbers', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.401166'

========================== row from database ==========================
                                              'id'  1362007
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Iooi/(2008) Wet Nature/08. Skittish Sky (Feat.Leoboris).mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  386
                                           'genre'  electronic
                                        'filesize'  10083836
                                           'mtime'  1636913158
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Iooi (2008) 08. electronic
                                      'tag_artist'  IOOI
                                     'tag_release'  Wet Nature
                                       'tag_title'  Skittish Sky (Feat.Leoboris)
                                             'bpm'  100.1
                                    'search_title'  'feat':3 'featleoboris':5 'leoboris':4 'skittish':1 'sky':2
                                   'search_artist'  'iooi':1
                                  'search_release'  'nature':2 'wet':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '08':6,7 '2008':4,5 'electronic':8 'iooi':3
                                    'search_combo'  '00calmer':10 '00poprockelectronic':9 '08':14,15 '2008':12,13 'electronic':16 'feat':3A 'featleoboris':5A 'iooi':6B,11 'leoboris':4A 'nature':8C 'skittish':1A 'sky':2A 'wet':7C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', '279ooo', 'numbers', 'experimental', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913158.2460506  (2021-11-14 19:05:58)
                             'size'  10083836