======================== unified (from filesystem) ========================
                                         'bitrate'  '191.991'
                                        'duration'  '545'
                                          'artist'  'Skin'
                                     'text_people'  ''
                                         'release'  'Radio 538 Dance Smash Hits 2003, Autumn'
                                           'title'  'Faithfullness (Tiksto vocal remix)'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'female vocalists', 'british', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '21'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '139.948'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Radio 538 Dance Smash Hits 2003, Autumn'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          'Elite Music Group'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'EMG'
'TIT2' (Title/songname/content description)         'Faithfullness (Tiksto vocal remix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Skin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Sony Music Media'
'TRCK' (Track number/Position in set)               '21/21'
'TSOP' (Performer sort order)                       'Skin'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:BARCODE'                                      '5099751361626'
'TXXX:CATALOGNUMBER'                                'SMM 513616 2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'f7906568-7499-42cf-8d8a-cc6d96b2eeac'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '91f3e61e-dec2-4b73-b195-a42251fd72b5'
'TXXX:MusicIP PUID'                                 '30ec88d7-eb71-9567-1c39-976990adfbb7'
'TXXX:MusicMagic Data'                              'AgEAKsWmoOWeGsSygT0r/FEov7aBH4K3sUOSTV/wwoL/RtB2gAGnv7AW67ELY8g7hTOAAeqjg8/y8wQBgAHnyuk57wOhRs4AO52AAaTBnNrGeYPCIgNQ87B+gjSFAMNwk1BaeqlnC0yVhYNMv66w/t/t31vrRYQGgAELzI14ELUAiYPM0YfigwA+rHri0e3dgGo='
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'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:lastfmtags'                                   ['alternative rock', 'alternative', 'female vocalists', 'british', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.34 dB'
'TXXX:replaygain_track_peak'                        '0.665440'

========================== row from database ==========================
                                              'id'  1360693
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/Skin - 538 Dance Smash Hits Autumn 20 - 21 - Faithfullness (Tiësto Vocal Re.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  545
                                           'genre'  electronic-unsorted
                                        'filesize'  13103771
                                           'mtime'  1620573252
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 21 (Tiësto Vocal Re electronic unsorted
                                      'tag_artist'  Skin
                                     'tag_release'  Radio 538 Dance Smash Hits 2003, Autumn
                                       'tag_title'  Faithfullness (Tiksto vocal remix)
                                             'bpm'  139.948
                                    'search_title'  'faithfullness':1 'remix':5,6 'tiksto':2,3 'vocal':4
                                   'search_artist'  'skin':1
                                  'search_release'  '2003':6,7 '538':2 'autumn':8 'dance':3 'hits':5 'radio':1 'smash':4
                                     'search_rest'  '00poprockelectronic':1 '21':13 'best':9 'club':7,8 'dance':5,6 'electronic':20 'etc':12 'of':10,11 're':19 'tiesto':14,15,16,17 'top':3,4 'unsorted':2 'vocal':18
                                    'search_combo'  '00poprockelectronic':16 '2003':13C,14C '21':28 '538':9C 'autumn':15C 'best':24 'club':22,23 'dance':10C,20,21 'electronic':35 'etc':27 'faithfullness':1A 'hits':12C 'of':25,26 'radio':8C 're':34 'remix':5A,6A 'skin':7B 'smash':11C 'tiesto':29,30,31,32 'tiksto':2A,3A 'top':18,19 'unsorted':17 'vocal':4A,33
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'female vocalists', 'british', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573252.0826259  (2021-05-09 17:14:12)
                             'size'  13103771