======================== unified (from filesystem) ========================
                                         'bitrate'  '248.47'
                                        'duration'  '218'
                                          'artist'  'Maria Kalaniemi & Aldargaz'
                                     'text_people'  'Maria Kalaniemi'
                                         'release'  'The Global Sounds of Hannibal Records'
                                           'title'  'Slingerdansin'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'finnish', 'accordion', 'world', 'world music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-unsorted-mix'
                                             'bpm'  '132.012'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Global Sounds of Hannibal Records'
'TBPM' (BPM (beats per minute))                     '132.012'
'TCOM' (Composer)                                   'Maria Kalaniemi'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted-mix'
'TCOP' (Copyright message)                          '1997 CD Hannibal 1396'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Slingerdansin'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Maria Kalaniemi & Aldargaz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Hannibal Records'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['folk', 'finnish', 'accordion', 'world', 'world music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.711840'

========================== row from database ==========================
                                              'id'  474005
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/The Global Sounds Of Hannibal Records (LaFolieDuJour, 2010) [VBR]/15 MARIA KALANIEMI & ALDARGAZ Slingerdansin.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  218
                                           'genre'  loc-unsorted-mix
                                        'filesize'  6784904
                                           'mtime'  1621629895
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad Of (LaFolieDuJour, 2010) [VBR] 15 MARIA KALANIEMI ALDARGAZ loc unsorted mix
                                      'tag_artist'  Maria Kalaniemi & Aldargaz
                                     'tag_release'  The Global Sounds of Hannibal Records
                                       'tag_title'  Slingerdansin
                                             'bpm'  132.012
                                    'search_title'  'slingerdansin':1
                                   'search_artist'  'aldargaz':3 'kalaniemi':2 'maria':1
                                  'search_release'  'global':2 'hannibal':5 'of':4 'records':6 'sounds':3 'the':1
                                     'search_rest'  '1':4,5,6 '2010':11,12 'aldargaz':17 'du':24 'folie':23 'jour':25,26 'kalaniemi':16 'la':21,22 'lafoliedujour':9,10 'loc':18 'maria':15 'mix':20 'of':8 'trad':7 'unsorted':19 'va':1,2 'vbr':13,14 'world':3
                                    'search_combo'  '1':14,15,16 '2010':21,22 'aldargaz':4B,27 'du':34 'folie':33 'global':6C 'hannibal':9C 'jour':35,36 'kalaniemi':3B,26 'la':31,32 'lafoliedujour':19,20 'loc':28 'maria':2B,25 'mix':30 'of':8C,18 'records':10C 'slingerdansin':1A 'sounds':7C 'the':5C 'trad':17 'unsorted':29 'va':11,12 'vbr':23,24 'world':13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'finnish', 'accordion', 'world', 'world music']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629895.0102367  (2021-05-21 22:44:55)
                             'size'  6784904