======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'Chick Floyd & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Ultra-Lounge, Vol. 1: Mondo Exotica'
                                           'title'  'Hana Maui'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'instrumental', 'exotica', 'jazz', 'all']"
                                     'discogstags'  "['folk, world, & country', 'pacific', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '108'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra-Lounge, Vol. 1: Mondo Exotica'
'TBPM' (BPM (beats per minute))                     '108'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Hana Maui'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chick Floyd & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'pacific', 'easy listening']
'TXXX:lastfmtags'                                   ['lounge', 'instrumental', 'exotica', 'jazz', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.967450'

========================== row from database ==========================
                                              'id'  1119414
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ultra Lounge vol. 1 - Mondo Exotica/09 -  - chick floyd & his orchestra - hana maui.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4721225
                                           'mtime'  1620539110
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm vol. 09 chick floyd his orchestra hana maui prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Chick Floyd & His Orchestra
                                     'tag_release'  Ultra-Lounge, Vol. 1: Mondo Exotica
                                       'tag_title'  Hana Maui
                                             'bpm'  108.0
                                    'search_title'  'hana':1 'maui':2
                                   'search_artist'  'chick':1 'floyd':2 'his':3 'orchestra':4
                                  'search_release'  '1':6,7 'exotica':9 'lounge':2 'mondo':8 'ultra':1 'ultralounge':3 'vol':4,5
                                     'search_rest'  'bossa':15 'chick':3 'exotica':14 'floyd':4 'hana':7 'his':5 'jazz':11 'jb':10 'lounge':12 'maui':8 'or':13 'orchestra':6 'prerock':9 'vol':1,2
                                    'search_combo'  '1':12C,13C 'bossa':30 'chick':3B,18 'exotica':15C,29 'floyd':4B,19 'hana':1A,22 'his':5B,20 'jazz':26 'jb':25 'lounge':8C,27 'maui':2A,23 'mondo':14C 'or':28 'orchestra':6B,21 'prerock':24 'ultra':7C 'ultralounge':9C 'vol':10C,11C,16,17
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'instrumental', 'exotica', 'jazz', 'all']
                                        'tag_date'  1996
                                     'discogstags'  ['folk, world, & country', 'pacific', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620539109.5229003  (2021-05-09 07:45:09)
                             'size'  4721225