======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '261'
                                          'artist'  'Sinergy'
                                     'text_people'  ''
                                         'release'  'A Tribute to ABBA'
                                           'title'  'Gimme! Gimme! Gimme! (A Man After Midnight)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['power metal', 'female fronted metal', 'metal', 'finnish', 'heavy metal']"
                                     'discogstags'  "['hardcore', 'gabber', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '126.017'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Finnish'
'COMM:Songs-DB_Custom1:eng'                         '2000s'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists'
'COMM:Songs-DB_Custom3:eng'                         'Finnish'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'A Tribute to ABBA'
'TBPM' (BPM (beats per minute))                     '126.017'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Gimme! Gimme! Gimme! (A Man After Midnight)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sinergy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Nuclear Blast'
'TRCK' (Track number/Position in set)               '3/14'
'TSOP' (Performer sort order)                       'Sinergy'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B00005ARPX'
'TXXX:CATALOGNUMBER'                                'NB 0543'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '081,178'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '18faa819-26ea-4656-af66-b0898607b41d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '97d8cab3-474d-4a0c-8053-d1afab54eee8'
'TXXX:MusicMagic Data'                              'AgEAC70ssYmnuZdngTsXUkSfgAGCS4nw7/Cf4z/VmMciM9B2i8frh7DIsiSwU8sig0CAATyUjo0Q48YppSm1sgUV7gq8cu9ig9iGMsSbn1GcnIEM6N03+4DMgk+N1+eootBbFt+wGlCPTY/K6u20mbtIueycZIEng1VL1pImQNXcL/Ev0h79YdxwuVkHZYCKgJI='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hardcore', 'gabber', 'electronic']
'TXXX:lastfmtags'                                   ['power metal', 'female fronted metal', 'metal', 'finnish', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.366083'

========================== row from database ==========================
                                              'id'  1290342
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Sinergy__A Tribute to ABBA__03 - Gimme! Gimme! Gimme! (A Man After Midnight).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  261
                                           'genre'  eid-metal
                                        'filesize'  6293067
                                           'mtime'  1620301844
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Sinergy__A ABBA__03 eid metal
                                      'tag_artist'  Sinergy
                                     'tag_release'  A Tribute to ABBA
                                       'tag_title'  Gimme! Gimme! Gimme! (A Man After Midnight)
                                             'bpm'  126.017
                                    'search_title'  'a':2,3 'after':5 'gimme':1 'man':4 'midnight':6,7
                                   'search_artist'  'sinergy':1
                                  'search_release'  'a':1 'abba':4 'to':3 'tribute':2
                                     'search_rest'  '00poprockelectronic':1 '03':10 'a':8 'abba':9 'eid':11 'files':5,6 'loose':3,4 'metal':12 'sinergy':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '03':22 'a':2A,3A,9C,20 'abba':12C,21 'after':5A 'eid':23 'files':17,18 'gimme':1A 'loose':15,16 'man':4A 'metal':24 'midnight':6A,7A 'sinergy':8B,19 'to':11C 'tribute':10C 'unsorted':14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['power metal', 'female fronted metal', 'metal', 'finnish', 'heavy metal']
                                        'tag_date'  2001
                                     'discogstags'  ['hardcore', 'gabber', 'electronic']

============================== file details ==============================
                                           'mtime'  1620301843.8266282  (2021-05-06 13:50:43)
                             'size'  6293067