======================== unified (from filesystem) ========================
                                         'bitrate'  '127.984'
                                        'duration'  '214'
                                          'artist'  'Lichtenfels'
                                     'text_people'  ''
                                         'release'  'Fetenhits: Best of 2003'
                                           'title'  'Sounds Like a Melody'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['melodic', 'trance', 'eng', 'house']"
                                     'discogstags'  "['trance', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '37'
                                      'tracktotal'  '40'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '138.040'
                                             'key'  '10B'
                                        '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)                     'Fetenhits: Best of 2003'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2003-10-27'
'TIT2' (Title/songname/content description)         'Sounds Like a Melody'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lichtenfels'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Polystar'
'TRCK' (Track number/Position in set)               '37/40'
'TSOP' (Performer sort order)                       'Lichtenfels'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B0000DELCR'
'TXXX:BARCODE'                                      '0602498131503'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '6bd054df-f619-485d-b26e-2be670c52ee9'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '68ec5569-a54f-40d2-ab18-4ac69609984f'
'TXXX:MusicIP PUID'                                 '2b48f9fc-7676-b622-b548-dff86537ea31'
'TXXX:MusicMagic Data'                              'AgEABH2wr0ilaBXIic0pLU77kNODaIbH3WSYok/LriALcoABi8fW863bxZizq6umiLGAAR8Utc4dhf0Ziq3ZWf9wGbSu/PSPr2aAAaIzmCnAmYOrI1BVDrMMgo+FiMsSlf5ctMC6AMyMhoQcyfmzr9Us2jLUWYSEgLYQT40vFcELB4Qq297qrBBOs03uftVlggw='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['trance', 'electronic']
'TXXX:lastfmtags'                                   ['melodic', 'trance', 'eng', 'house']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.314624'

========================== row from database ==========================
                                              'id'  1321015
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/Lichtenfels-Sounds Like A Melody.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3429663
                                           'mtime'  1676053042
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc A electronic generic or radio dance
                                      'tag_artist'  Lichtenfels
                                     'tag_release'  Fetenhits: Best of 2003
                                       'tag_title'  Sounds Like a Melody
                                             'bpm'  138.04
                                    'search_title'  'a':3 'like':2 'melody':4 'sounds':1
                                   'search_artist'  'lichtenfels':1
                                  'search_release'  '2003':5 'best':3 'fetenhits':1,2 'of':4
                                     'search_rest'  '00poprockelectronic':1 'a':13 'best':9 'club':7,8 'dance':5,6 'electronic':14 'etc':12 'generic':15 'of':10,11 'or':16 'radio':17 'top':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '2003':10C 'a':3A,23 'best':8C,19 'club':17,18 'dance':15,16 'electronic':24 'etc':22 'fetenhits':6C,7C 'generic':25 'lichtenfels':5B 'like':2A 'melody':4A 'of':9C,20,21 'or':26 'radio':27 'sounds':1A 'top':13,14 'unsorted':12
                                    'tag_tracknum'  37
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['melodic', 'trance', 'eng', 'house']
                                        'tag_date'  2003
                                     'discogstags'  ['trance', 'electronic']

============================== file details ==============================
                                           'mtime'  1676053041.6714458  (2023-02-10 19:17:21)
                             'size'  3429663