======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '260'
                                          'artist'  'Jack Garratt'
                                     'text_people'  ''
                                         'release'  'Phase'
                                           'title'  'Surprise Yourself'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'electronic', 'soul', 'british', 'singer songwriter']"
                                     'discogstags'  "['downtempo', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '105.753'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Phase'
'TBPM' (BPM (beats per minute))                     '105.753'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Surprise Yourself'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Garratt'
'TPE2' (Band/orchestra/accompaniment)               'Jack Garratt'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Island (Universal Music)'
'TRCK' (Track number/Position in set)               '8/12'
'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'                                  ['downtempo', 'electronic', 'pop']
'TXXX:lastfmtags'                                   ['indie', 'electronic', 'soul', 'british', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.372455'

========================== row from database ==========================
                                              'id'  1299981
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Jack Garrett - Surprise Yourself.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  260
                                           'genre'  funk or soul
                                        'filesize'  10465705
                                           'mtime'  1628357923
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 Garrett funk or soul
                                      'tag_artist'  Jack Garratt
                                     'tag_release'  Phase
                                       'tag_title'  Surprise Yourself
                                             'bpm'  105.753
                                    'search_title'  'surprise':1 'yourself':2
                                   'search_artist'  'garratt':2 'jack':1
                                  'search_release'  'phase':1
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'funk':4 'garrett':3 'or':5 'soul':6
                                    'search_combo'  '00poprockelectronic':6 '2016':7 'funk':9 'garratt':4B 'garrett':8 'jack':3B 'or':10 'phase':5C 'soul':11 'surprise':1A 'yourself':2A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'electronic', 'soul', 'british', 'singer songwriter']
                                        'tag_date'  2016
                                     'discogstags'  ['downtempo', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1628357923.230547  (2021-08-07 19:38:43)
                             'size'  10465705