======================== unified (from filesystem) ========================
                                         'bitrate'  '244.121'
                                        'duration'  '203'
                                          'artist'  'BANDWAGON'
                                     'text_people'  ''
                                         'release'  'New Music Machine Extended Play!!!'
                                           'title'  'Eeeexcellent'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['japanese rock', 'alternative', 'japanese', 'northern soul', 'rock']"
                                     'discogstags'  "['pop punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock;loc-asia-japan'
                                             'bpm'  '118.290'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'New Music Machine Extended Play!!!'
'TBPM' (BPM (beats per minute))                     '118.290'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock', 'loc-asia-japan']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Exact Audio Copy   (ƒZƒLƒ…ƒAƒ‚\x81[ƒh)'
'TIT2' (Title/songname/content description)         'Eeeexcellent'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'BANDWAGON'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  ['pop punk', 'rock']
'TXXX:lastfmtags'                                   ['japanese rock', 'alternative', 'japanese', 'northern soul', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.457950'

========================== row from database ==========================
                                              'id'  477684
                                            'path'  /data/Music/Bulk/00localcharacter/BANDWAGON (2005.01.19) (mini album) New Music Machine Extended Play!!! [vbr]/03 - Eeeexcellent.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  203
                                           'genre'  loc-asia-japan-jrock;loc-asia-japan
                                        'filesize'  6205313
                                           'mtime'  1676040143
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (2005.01.19) (mini album) [vbr] 03 loc asia japan jrock;loc asia japan
                                      'tag_artist'  BANDWAGON
                                     'tag_release'  New Music Machine Extended Play!!!
                                       'tag_title'  Eeeexcellent
                                             'bpm'  118.29
                                    'search_title'  'eeeexcellent':1
                                   'search_artist'  'bandwagon':1
                                  'search_release'  'extended':4 'machine':3 'music':2 'new':1 'play':5
                                     'search_rest'  '01':2 '19':3 '2005':1 '20050119':4 'album':7,8 'asia':12 'japan':13 'jrock':14,16 'loc':11,15,17 'mini':5,6 'vbr':9,10
                                    'search_combo'  '01':9 '19':10 '2005':8 '20050119':11 'album':14,15 'asia':19 'bandwagon':2B 'eeeexcellent':1A 'extended':6C 'japan':20 'jrock':21,23 'loc':18,22,24 'machine':5C 'mini':12,13 'music':4C 'new':3C 'play':7C 'vbr':16,17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['japanese rock', 'alternative', 'japanese', 'northern soul', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['pop punk', 'rock']

============================== file details ==============================
                                           'mtime'  1676040142.766762  (2023-02-10 15:42:22)
                             'size'  6205313