======================== unified (from filesystem) ========================
                                         'bitrate'  '261.202'
                                        'duration'  '385'
                                          'artist'  'Mantra Machine'
                                     'text_people'  'NL'
                                         'release'  'Nitrogen'
                                           'title'  'Stinger'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'Q-BUSY-2', 'q-bass-4', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'rock', 'space rock', 'psychedelic rock', 'stoner']"
                                     'discogstags'  "['space rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '114.156'
                                             'key'  '6A'
                                        'acoustid'  'cbd20863-0167-4077-97d1-108b66abe797'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nitrogen'
'TBPM' (BPM (beats per minute))                     '114.156'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-11-29'
'TENC' (Encoded by)                                 'LAME 3.98.4 -V0'
'TIT2' (Title/songname/content description)         'Stinger'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'Digital Media'
'TOPE' (Original artist(s)/performer(s))            'NL'
'TPE1' (Lead performer(s)/Soloist(s))               'Mantra Machine'
'TPE2' (Band/orchestra/accompaniment)               'Mantra Machine'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/7'
'TSO2'                                              'Mantra Machine'
'TSOP' (Performer sort order)                       'Mantra Machine'
'TXXX:Acoustid Id'                                  'cbd20863-0167-4077-97d1-108b66abe797'
'TXXX:MusicBrainz Album Artist Id'                  '2a67f9e5-8b94-4929-b74c-236b4c1a70c3'
'TXXX:MusicBrainz Album Id'                         'e3987f3b-0913-4917-9345-a7d1b0743131'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2a67f9e5-8b94-4929-b74c-236b4c1a70c3'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['space rock', 'rock']
'TXXX:lastfmtags'                                   ['stoner rock', 'rock', 'space rock', 'psychedelic rock', 'stoner']
'TXXX:q-bass'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.59 dB'
'TXXX:replaygain_track_peak'                        '0.499155'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3cfc3804-383f-481f-ba63-c17b1cdada26')

========================== row from database ==========================
                                              'id'  1409073
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/mantra machine - nitrogen (2014)/Mantra Machine - Nitrogen - 02 - Stinger.mp3
                                         'working'  None
                                         'bitrate'  261
                                    'duration_sec'  385
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  12664673
                                           'mtime'  1620737305
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy mantra machine nitrogen (2014) 02 rock cppex psychedelic
                                      'tag_artist'  Mantra Machine
                                     'tag_release'  Nitrogen
                                       'tag_title'  Stinger
                                             'bpm'  114.156
                                    'search_title'  'stinger':1
                                   'search_artist'  'machine':2 'mantra':1
                                  'search_release'  'nitrogen':1
                                     'search_rest'  '2014':5,6 'classicprogpsy':1 'cppex':8 'machine':3 'mantra':2 'nitrogen':4 'psychedelic':9 'rock':7
                                    'search_combo'  '2014':9,10 'classicprogpsy':5 'cppex':12 'machine':3B,7 'mantra':2B,6 'nitrogen':4C,8 'psychedelic':13 'rock':11 'stinger':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['stoner rock', 'rock', 'space rock', 'psychedelic rock', 'stoner']
                                        'tag_date'  2014
                                     'discogstags'  ['space rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737304.9940844  (2021-05-11 14:48:24)
                             'size'  12664673