======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '310'
                                          'artist'  'ACIDMAN'
                                     'text_people'  ''
                                         'release'  'and world'
                                           'title'  'ginga no machi'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese rock', 'alternative', 'rock', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '132.966'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'and world'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'ginga no machi'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'ACIDMAN'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japanese rock', 'alternative', 'rock', 'japanese', 'j rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.326184'

========================== row from database ==========================
                                              'id'  452987
                                            'path'  /data/Music/Bulk/00localcharacter/Acidman/(2005.12.07) (album) And World [320kbps]/07 - Ginga No Machi.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  310
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  12433423
                                           'mtime'  1622821887
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Acidman (2005.12.07) (album) And World [320kbps] 07 Ginga No Machi loc asia japan;loc asia japan jrock
                                      'tag_artist'  ACIDMAN
                                     'tag_release'  and world
                                       'tag_title'  ginga no machi
                                             'bpm'  132.966
                                    'search_title'  'ginga':1 'machi':3 'no':2
                                   'search_artist'  'acidman':1
                                  'search_release'  'and':1 'world':2
                                     'search_rest'  '07':4 '12':3 '2005':2 '20051207':5 '320kbps':10,11 'acidman':1 'album':6,7 'and':8 'asia':16 'ginga':12 'japan':17,19,21 'jrock':22 'loc':15,18,20 'machi':14 'no':13 'world':9
                                    'search_combo'  '07':10 '12':9 '2005':8 '20051207':11 '320kbps':16,17 'acidman':4B,7 'album':12,13 'and':5C,14 'asia':22 'ginga':1A,18 'japan':23,25,27 'jrock':28 'loc':21,24,26 'machi':3A,20 'no':2A,19 'world':6C,15
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['japanese rock', 'alternative', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821887.2027936  (2021-06-04 17:51:27)
                             'size'  12433423