======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '716'
                                          'artist'  'Ikeda and her "Co-operatives"'
                                     'text_people'  ''
                                         'release'  'Classical Music of Japan'
                                           'title'  'Tsumikusa'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-classical'
                                             'bpm'  '92.349'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classical Music of Japan'
'TBPM' (BPM (beats per minute))                     '92.349'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan-classical'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Tsumikusa'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ikeda and her "Co-operatives"'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   'japanese'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.749827'

========================== row from database ==========================
                                              'id'  924998
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/[va] classical music of japan lp (1965) [elektra]/cmoj 08 tsumikusa.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  716
                                           'genre'  loc-asia-japan-classical
                                        'filesize'  28658373
                                           'mtime'  1621627016
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [va] classical music japan lp (1965) [elektra] cmoj 08 tsumikusa loc asia japan classical
                                      'tag_artist'  Ikeda and her "Co-operatives"
                                     'tag_release'  Classical Music of Japan
                                       'tag_title'  Tsumikusa
                                             'bpm'  92.349
                                    'search_title'  'tsumikusa':1
                                   'search_artist'  'and':2 'co':4 'cooperatives':6 'her':3 'ikeda':1 'operatives':5
                                  'search_release'  'classical':1 'japan':4 'music':2 'of':3
                                     'search_rest'  '00asia':1 '1965':8,9 'asia':15 'classical':4 'cmoj':12 'elektra':10,11 'japan':6 'loc':14 'lp':7 'music':5 'tsumikusa':13 'va':2,3
                                    'search_combo'  '00asia':12 '1965':19,20 'and':3B 'asia':26 'classical':8C,15 'cmoj':23 'co':5B 'cooperatives':7B 'elektra':21,22 'her':4B 'ikeda':2B 'japan':11C,17 'loc':25 'lp':18 'music':9C,16 'of':10C 'operatives':6B 'tsumikusa':1A,24 'va':13,14
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', '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'  ['japanese']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627015.8157704  (2021-05-21 21:56:55)
                             'size'  28658373