======================== unified (from filesystem) ========================
                                         'bitrate'  '226.823'
                                        'duration'  '255'
                                          'artist'  'Everything but the Girl'
                                     'text_people'  ''
                                         'release'  'Back to Mine: Everything but the Girl'
                                           'title'  "Someday We'll All Be Free"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'female vocalists', 'electronic', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.790'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back to Mine: Everything but the Girl'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2001-04-23'
'TIT2' (Title/songname/content description)         "Someday We'll All Be Free"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Donny Hathaway'
'TPE2' (Band/orchestra/accompaniment)               'Everything but the Girl'
'TPUB' (Publisher)                                  'DMC Publishing'
'TRCK' (Track number/Position in set)               '12/12'
'TSOP' (Performer sort order)                       'Hathaway, Donny'
'TXXX:ALBUMARTISTSORT'                              'Everything but the Girl'
'TXXX:BARCODE'                                      '5029418023062'
'TXXX:CATALOGNUMBER'                                'BACKCD6'
'TXXX:MusicBrainz Album Artist Id'                  '959cf5bf-ee29-4af6-a85a-0b480181d988'
'TXXX:MusicBrainz Album Id'                         'c729d0c7-2bdf-4c4e-aca9-4dc566be878b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '3f6ae36d-ffdb-40cf-98e6-8023cb1c41c9'
'TXXX:MusicIP PUID'                                 'a3b9bc00-9bc7-09f5-fcb6-71f1844994ba'
'TXXX:MusicMagic Data'                              'AgEBZKmFqBWoBMVGg8nN80AbgAGFFoJD+gygc07oj6DLJrM0i8f6namXuZGs3YABgjGAAddX+P0cA9tBgAHTe/wvBMmAAcTrg0CAAZSMnYGsMoHABRw+H9vchtKD/9GLlFZVxMuE1qKJJoJ10C+v48K25yOu2YO4gAHPs5yi7WYDpoAH5pnv4QC5qK2/3pafmCc='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'female vocalists', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.424797'

========================== row from database ==========================
                                              'id'  1515983
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/12. Donny Hathaway - Someday We_ll All Be Free.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  255
                                           'genre'  electronic-unsorted
                                        'filesize'  7241077
                                           'mtime'  1620572621
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 12. Donny Hathaway We_ll electronic unsorted
                                      'tag_artist'  Everything but the Girl
                                     'tag_release'  Back to Mine: Everything but the Girl
                                       'tag_title'  Someday We'll All Be Free
                                             'bpm'  145.79
                                    'search_title'  'all':5 'be':6 'free':7 'll':3 'someday':1 'we':2 'well':4
                                   'search_artist'  'but':2 'everything':1 'girl':4 'the':3
                                  'search_release'  'back':1 'but':6 'everything':5 'girl':8 'mine':3,4 'the':7 'to':2
                                     'search_rest'  '00poprockelectronic':1 '12':7,8 'donny':9 'electronic':13 'files':5,6 'hathaway':10 'll':12 'loose':3,4 'unsorted':2 'we':11
                                    'search_combo'  '00poprockelectronic':20 '12':26,27 'all':5A 'back':12C 'be':6A 'but':9B,17C 'donny':28 'electronic':32 'everything':8B,16C 'files':24,25 'free':7A 'girl':11B,19C 'hathaway':29 'll':3A,31 'loose':22,23 'mine':14C,15C 'someday':1A 'the':10B,18C 'to':13C 'unsorted':21 'we':2A,30 'well':4A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'female vocalists', 'electronic', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572621.1350083  (2021-05-09 17:03:41)
                             'size'  7241077