======================== unified (from filesystem) ========================
                                         'bitrate'  '172.511'
                                        'duration'  '336'
                                          'artist'  'Donald Fagen'
                                     'text_people'  ''
                                         'release'  'The Nightfly'
                                           'title'  'Ruby Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'jazz rock', 'singer songwriter', 'rock']"
                                     'discogstags'  "['electronic', 'jazz', 'rock', 'fusion', 'pop rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'rock-funk'
                                             'bpm'  '120'
                                             'key'  '3A'
                                        'acoustid'  '12328bc4-90be-42e9-adea-94e0273b70f5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '81091D08'
'TALB' (Album/Movie/Show title)                     'The Nightfly'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'rock-funk'
'TDOR' (Original release time)                      '1982'
'TDRC' (Recording time)                             '1982'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Gary Katz'], ['engineer', 'Roger Nichols']])
'TIT2' (Title/songname/content description)         'Ruby Baby'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Donald Fagen'
'TPE2' (Band/orchestra/accompaniment)               'Donald Fagen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              'Fagen, Donald'
'TSOP' (Performer sort order)                       'Fagen, Donald'
'TSRC' (ISRC (international standard recording code))  'USWB10202865/USWB19901663'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Acoustid Id'                                  '12328bc4-90be-42e9-adea-94e0273b70f5'
'TXXX:Artists'                                      'Donald Fagen'
'TXXX:CATALOGNUMBER'                                '92.3696-1'
'TXXX:MusicBrainz Album Artist Id'                  '70047e57-0153-4117-b0fc-a1d2e322e5ef'
'TXXX:MusicBrainz Album Id'                         'ef5364e4-0d46-327c-aab3-e554885fe250'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '70047e57-0153-4117-b0fc-a1d2e322e5ef'
'TXXX:MusicBrainz Release Group Id'                 'a0f2615e-aebd-3300-99e3-626c4ea7bcae'
'TXXX:MusicBrainz Release Track Id'                 '51e6f04d-816b-3565-bcd6-df43b69eecb6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'rock', 'fusion', 'pop rock', 'synth-pop']
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'jazz rock', 'singer songwriter', 'rock']
'TXXX:originalyear'                                 '1982'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.841794'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3f546a14-cbd3-42a7-9576-8931926e8614')

========================== row from database ==========================
                                              'id'  1419837
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Donald Fagen/The Nightfly/Donald Fagen - 03 - Ruby Baby.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  336
                                           'genre'  rock-funk
                                        'filesize'  7285754
                                           'mtime'  1636912676
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 03 rock funk
                                      'tag_artist'  Donald Fagen
                                     'tag_release'  The Nightfly
                                       'tag_title'  Ruby Baby
                                             'bpm'  120.0
                                    'search_title'  'baby':2 'ruby':1
                                   'search_artist'  'donald':1 'fagen':2
                                  'search_release'  'nightfly':2 'the':1
                                     'search_rest'  'country':4 'exotica':2 'funk':6 'jazz':1 'oldies':3 'rock':5
                                    'search_combo'  'baby':2A 'country':10 'donald':3B 'exotica':8 'fagen':4B 'funk':12 'jazz':7 'nightfly':6C 'oldies':9 'rock':11 'ruby':1A 'the':5C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-2', 'q-mixbeat-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'jazz', 'jazz rock', 'singer songwriter', 'rock']
                                        'tag_date'  1982
                                     'discogstags'  ['electronic', 'jazz', 'rock', 'fusion', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636912675.7658544  (2021-11-14 18:57:55)
                             'size'  7285754