======================== unified (from filesystem) ========================
                                         'bitrate'  '217.307'
                                        'duration'  '257'
                                          'artist'  'Blonde Redhead'
                                     'text_people'  'Blonde Redhead'
                                         'release'  '23'
                                           'title'  'Spring and by Summer Fall'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '103.378'
                                             'key'  '4A'
                                        'acoustid'  '9695c3ef-fd08-4d7c-8a2a-01dc2bfd7978'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     '23'
'TBPM' (BPM (beats per minute))                     '103.378'
'TCOM' (Composer)                                   'Blonde Redhead'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Spring and by Summer Fall'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Blonde Redhead'
'TPE2' (Band/orchestra/accompaniment)               'Blonde Redhead'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '4AD'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Blonde Redhead'
'TSOP' (Performer sort order)                       'Blonde Redhead'
'TSRC' (ISRC (international standard recording code))  'GBAFL0600102'
'TXXX:ASIN'                                         'B000NJLYSA'
'TXXX:Acoustid Id'                                  '9695c3ef-fd08-4d7c-8a2a-01dc2bfd7978'
'TXXX:BARCODE'                                      '652637271713'
'TXXX:CATALOGNUMBER'                                'CAD 2717'
'TXXX:MusicBrainz Album Artist Id'                  '6821bf3f-5d5b-4b0f-8fa4-79d2ab2d9219'
'TXXX:MusicBrainz Album Id'                         'af4659df-8409-4e98-b500-4af50e1bb583'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6821bf3f-5d5b-4b0f-8fa4-79d2ab2d9219'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.49 dB'
'TXXX:replaygain_track_peak'                        '0.377068'
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========================== row from database ==========================
                                              'id'  1310707
                                            'path'  /data/Music/Bulk/00poprockelectronic/Blonde Redhead/[2007] 23/05 Spring and By Summer Fall.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  257
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  7019868
                                           'mtime'  1636402024
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2007] 05 By ifs songwriter indie unsorted
                                      'tag_artist'  Blonde Redhead
                                     'tag_release'  23
                                       'tag_title'  Spring and by Summer Fall
                                             'bpm'  103.378
                                    'search_title'  'and':2 'by':3 'fall':5 'spring':1 'summer':4
                                   'search_artist'  'blonde':1 'redhead':2
                                  'search_release'  '23':1
                                     'search_rest'  '00poprockelectronic':1 '2007':2,3 'by':4 'ifs':5 'indie':7 'songwriter':6 'unsorted':8
                                    'search_combo'  '00poprockelectronic':9 '2007':10,11 '23':8C 'and':2A 'blonde':6B 'by':3A,12 'fall':5A 'ifs':13 'indie':15 'redhead':7B 'songwriter':14 'spring':1A 'summer':4A 'unsorted':16
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636402024.0695639  (2021-11-08 21:07:04)
                             'size'  7019868