======================== unified (from filesystem) ========================
                                         'bitrate'  '223.735'
                                        'duration'  '191'
                                          'artist'  'Sleep Party People'
                                     'text_people'  ''
                                         'release'  'Sleep Party People'
                                           'title'  'Notes To You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '101.057'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sleep Party People'
'TBPM' (BPM (beats per minute))                     '101.057'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Notes To You'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sleep Party People'
'TRCK' (Track number/Position in set)               '04'
'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:discogstags'                                  ['electronic', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']
'TXXX:lastfmtags'                                   ['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.481353'

========================== row from database ==========================
                                              'id'  1282429
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Sleep Party People/Sleep Party People/04 - notes to you.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  191
                                           'genre'  electronic
                                        'filesize'  5469493
                                           'mtime'  1636913425
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 04 notes to you electronic
                                      'tag_artist'  Sleep Party People
                                     'tag_release'  Sleep Party People
                                       'tag_title'  Notes To You
                                             'bpm'  101.057
                                    'search_title'  'notes':1 'to':2 'you':3
                                   'search_artist'  'party':2 'people':3 'sleep':1
                                  'search_release'  'party':2 'people':3 'sleep':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':6 'notes':3 'to':4 'you':5
                                    'search_combo'  '00calmer':11 '00poprockelectronic':10 'electronic':15 'notes':1A,12 'party':5B,8C 'people':6B,9C 'sleep':4B,7C 'to':2A,13 'you':3A,14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  2B
                                           '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-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636913424.6493351  (2021-11-14 19:10:24)
                             'size'  5469493