======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '265'
                                          'artist'  'Bentley Rhythm Ace'
                                     'text_people'  ''
                                         'release'  'For Your Ears Only'
                                           'title'  'Summer Song Blue'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['breakbeat', 'trip hop', 'electronica', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '13'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '94.991'
                                             'key'  '10A'
                                        'acoustid'  '4713ab47-3c6c-419f-9735-a05c4f2d37d3'
rest: ''

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

'COMM::eng'                                         'nixx collection'
'COMM:ID3v1 Comment:XXX'                            'nixx collection'
'TALB' (Album/Movie/Show title)                     'For Your Ears Only'
'TBPM' (BPM (beats per minute))                     '94.991'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-05-29'
'TIT2' (Title/songname/content description)         'Summer Song Blue'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bentley Rhythm Ace'
'TPE2' (Band/orchestra/accompaniment)               'Bentley Rhythm Ace'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '6/13'
'TSO2'                                              'Bentley Rhythm Ace'
'TSOP' (Performer sort order)                       'Bentley Rhythm Ace'
'TXXX:ASIN'                                         'B00004RCAJ'
'TXXX:Acoustid Id'                                  '4713ab47-3c6c-419f-9735-a05c4f2d37d3'
'TXXX:BARCODE'                                      '724352573226'
'TXXX:CATALOGNUMBER'                                '525 7322'
'TXXX:DISCID'                                       '980D5C0D'
'TXXX:MusicBrainz Album Artist Id'                  'afd5199f-6688-4f68-8bed-deb7179dd732'
'TXXX:MusicBrainz Album Id'                         'bd56a5a5-d298-4e6e-8a77-8faf989d40aa'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'afd5199f-6688-4f68-8bed-deb7179dd732'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakbeat', 'trip hop', 'electronica', 'electronic', 'big beat']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.74 dB'
'TXXX:replaygain_track_peak'                        '0.434512'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'85a010fe-9a61-4bf1-845e-9f65f682e80f')

========================== row from database ==========================
                                              'id'  1382267
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/2000-For_your_ears_only/06-Summer_song_blue.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  265
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  8497299
                                           'mtime'  1620563449
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 2000 For_your_ears_only 06 Summer_song_blue electronic generic radio beats
                                      'tag_artist'  Bentley Rhythm Ace
                                     'tag_release'  For Your Ears Only
                                       'tag_title'  Summer Song Blue
                                             'bpm'  94.991
                                    'search_title'  'blue':3 'song':2 'summer':1
                                   'search_artist'  'ace':3 'bentley':1 'rhythm':2
                                  'search_release'  'ears':3 'for':1 'only':4 'your':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '2000':6 'beats':5 'blue':13 'ears':9 'electronic':14 'for':7 'generic':15 'harder':4 'house':3 'only':10 'radio':16 'song':12 'summer':11 'your':8
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 '2000':16 'ace':6B 'beats':15 'bentley':4B 'blue':3A,23 'ears':9C,19 'electronic':24 'for':7C,17 'generic':25 'harder':14 'house':13 'only':10C,20 'radio':26 'rhythm':5B 'song':2A,22 'summer':1A,21 'your':8C,18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'trip hop', 'electronica', 'electronic', 'big beat']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620563449.173968  (2021-05-09 14:30:49)
                             'size'  8497299