======================== unified (from filesystem) ========================
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '15'
                                            'date'  '2004'
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rest: ''

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

'TALB' (Album/Movie/Show title)                     'Within a Mile of Home'
'TBPM' (BPM (beats per minute))                     '117.059'
'TCOM' (Composer)                                   'Dave King'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-09-20'
'TIT2' (Title/songname/content description)         'The Wrong Company'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Flogging Molly'
'TPE2' (Band/orchestra/accompaniment)               'Flogging Molly'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SideOneDummy Records'
'TRCK' (Track number/Position in set)               '7/15'
'TSO2'                                              'Flogging Molly'
'TSOP' (Performer sort order)                       'Flogging Molly'
'TSRC' (ISRC (international standard recording code))  'USA6G0425108'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Acoustid Id'                                  '96dbf746-610e-4c94-b59a-c6051d41e120'
'TXXX:AverageLevel'                                 '5499'
'TXXX:BARCODE'                                      '603967125122'
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'TXXX:MusicBrainz Album Artist Id'                  'c3694ddc-f7e5-40dd-9fad-90d11a2c50fa'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
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'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '5'
'TXXX:WM/ProviderStyle'                             'Rock'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   713505;AMGp_id=P   417207;AMGt_id=T  7235299'
'TXXX:WM/Year'                                      '2004'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '11.0.5721.5145'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['irish', 'irish punk', 'punk', 'folk', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.441653'
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========================== row from database ==========================
                                              'id'  1339640
                                            'path'  /data/Music/Bulk/00poprockelectronic/Flogging Molly/Within a Mile of Home/08 The Wrong Company.wma.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  36
                                           'genre'  rock-gr-punk
                                        'filesize'  978325
                                           'mtime'  1621489404
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 Company.wma rock gr punk
                                      'tag_artist'  Flogging Molly
                                     'tag_release'  Within a Mile of Home
                                       'tag_title'  The Wrong Company
                                             'bpm'  117.059
                                    'search_title'  'company':3 'the':1 'wrong':2
                                   'search_artist'  'flogging':1 'molly':2
                                  'search_release'  'a':2 'home':5 'mile':3 'of':4 'within':1
                                     'search_rest'  '00poprockelectronic':1 'company':2 'companywma':4 'gr':6 'punk':7 'rock':5 'wma':3
                                    'search_combo'  '00poprockelectronic':11 'a':7C 'company':3A,12 'companywma':14 'flogging':4B 'gr':16 'home':10C 'mile':8C 'molly':5B 'of':9C 'punk':17 'rock':15 'the':1A 'within':6C 'wma':13 'wrong':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['irish', 'irish punk', 'punk', 'folk', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621489403.721574  (2021-05-20 07:43:23)
                             'size'  978325