======================== unified (from filesystem) ========================
                                         'bitrate'  '127.698'
                                        'duration'  '394'
                                          'artist'  'Culture Beat'
                                     'text_people'  ''
                                         'release'  'Best Of'
                                           'title'  'DMC-Megamix'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'eurodance', 'techno', 'electronic', '90s']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '138.134'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Best Of'
'TBPM' (BPM (beats per minute))                     '138.134'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'DMC-Megamix'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Culture Beat'
'TPE2' (Band/orchestra/accompaniment)               'Culture Beat'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '15/15'
'TSOP' (Performer sort order)                       'Culture Beat'
'TXXX:ALBUMARTISTSORT'                              'Culture Beat'
'TXXX:ASIN'                                         'B00009ZT7S'
'TXXX:BARCODE'                                      '5099751281528'
'TXXX:CATALOGNUMBER'                                'epc 512815 2'
'TXXX:MusicBrainz Album Artist Id'                  '97c30dea-ca61-4efe-be4c-3d56de7900db'
'TXXX:MusicBrainz Album Id'                         'da4942c1-e469-41e9-869e-621da1bad0ee'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '97c30dea-ca61-4efe-be4c-3d56de7900db'
'TXXX:MusicIP PUID'                                 '95cb4317-2775-6eef-d232-c16b3deeaf96'
'TXXX:MusicMagic Data'                              'AgEACF+rjDaIQpKagHopIT/byJWAzYgiqbeL7En+gZsOvoABgAGeW8Rd8IAA8cyOgcqAAcKpgOLpjs7ZgAG2P86X+0GUwbpw3jSDwpvXkS2uM4HsI0FIIa9DggaF88SnlLxSxr0qATeN3YLLxAeyxdRH7GTGhIPMge71/ocgD0zxuoKPy7nmUgavpdPZ7dkMgHo='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'eurodance', 'techno', 'electronic', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.828008'

========================== row from database ==========================
                                              'id'  1283810
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/13 - EuroDance Hit 93-95 vol 2 - Culture Beat Megamix.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  394
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  6303668
                                           'mtime'  1621696737
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 13 EuroDance Hit 93 95 vol 2 electronic th ent eurodance
                                      'tag_artist'  Culture Beat
                                     'tag_release'  Best Of
                                       'tag_title'  DMC-Megamix
                                             'bpm'  138.134
                                    'search_title'  'dmc':1 'dmcmegamix':3 'megamix':2
                                   'search_artist'  'beat':2 'culture':1
                                  'search_release'  'best':1 'of':2
                                     'search_rest'  '00poprockelectronic':1 '2':12 '93':9 '95':10 'dance':17 'electronic':13 'ent':15 'euro':16 'eurodance':7 'files':5,6 'hit':8 'loose':3,4 'th':14 'unsorted':2 'vol':11
                                    'search_combo'  '00poprockelectronic':8 '2':19 '93':16 '95':17 'beat':5B 'best':6C 'culture':4B 'dance':24 'dmc':1A 'dmcmegamix':3A 'electronic':20 'ent':22 'euro':23 'eurodance':14 'files':12,13 'hit':15 'loose':10,11 'megamix':2A 'of':7C 'th':21 'unsorted':9 'vol':18
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'eurodance', 'techno', 'electronic', '90s']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696736.893558  (2021-05-22 17:18:56)
                             'size'  6303668