======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '219'
                                          'artist'  'Midnight Serenaders'
                                     'text_people'  ''
                                         'release'  'A Little Keyhole Business'
                                           'title'  'In the Jailhouse Now No. 2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'neo swing', 'frupbeat', 'dixieland', 'swing']"
                                     'discogstags'  "['jazz', 'dixieland']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '85.417'
                                             'key'  '3B'
                                        'acoustid'  'fdfb4a85-3cd6-412d-803f-541594fcda52'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=255, count=0)
'TALB' (Album/Movie/Show title)                     'A Little Keyhole Business'
'TBPM' (BPM (beats per minute))                     '85.417'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'In the Jailhouse Now No. 2'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Midnight Serenaders'
'TPE2' (Band/orchestra/accompaniment)               'Midnight Serenaders'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'CD Baby'
'TRCK' (Track number/Position in set)               '11/16'
'TSO2'                                              'Serenaders, Midnight'
'TSOP' (Performer sort order)                       'Serenaders, Midnight'
'TXXX:Acoustid Id'                                  'fdfb4a85-3cd6-412d-803f-541594fcda52'
'TXXX:MusicBrainz Album Artist Id'                  '25e07630-63c3-4e5b-b0be-e9bfe00d281d'
'TXXX:MusicBrainz Album Id'                         '2ccc3986-1069-4a2b-a869-41eeacfefddd'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '25e07630-63c3-4e5b-b0be-e9bfe00d281d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'dixieland']
'TXXX:lastfmtags'                                   ['jazz', 'neo swing', 'frupbeat', 'dixieland', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+15.50 dB'
'TXXX:replaygain_track_peak'                        '0.074658'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e7de32ff-d594-421e-b807-aacd68bde0e0')

========================== row from database ==========================
                                              'id'  670747
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Little Keyhole Business/11 - In the Jailhouse Now No. 2.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  219
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  9052720
                                           'mtime'  1620531683
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 11 prerock jb jazz soft swing
                                      'tag_artist'  Midnight Serenaders
                                     'tag_release'  A Little Keyhole Business
                                       'tag_title'  In the Jailhouse Now No. 2
                                             'bpm'  85.417
                                    'search_title'  '2':7 'in':1 'jailhouse':3 'no':5,6 'now':4 'the':2
                                   'search_artist'  'midnight':1 'serenaders':2
                                  'search_release'  'a':1 'business':4 'keyhole':3 'little':2
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'soft':7 'swing':8
                                    'search_combo'  '2':7A 'a':10C 'business':13C 'country':17 'exotica':15 'in':1A 'jailhouse':3A 'jazz':14 'jb':19 'keyhole':12C 'little':11C 'midnight':8B 'no':5A,6A 'now':4A 'oldies':16 'prerock':18 'serenaders':9B 'soft':20 'swing':21 'the':2A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'neo swing', 'frupbeat', 'dixieland', 'swing']
                                        'tag_date'  2013
                                     'discogstags'  ['jazz', 'dixieland']

============================== file details ==============================
                                           'mtime'  1620531683.1702826  (2021-05-09 05:41:23)
                             'size'  9052720