======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '250'
                                          'artist'  'Shiina Ringo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'la salle de bain'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '126.095'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '126.095'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'la salle de bain'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
'TXXX:other'                                        'dai ikkai ringohan 06'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'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'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.474084'

========================== row from database ==========================
                                              'id'  927082
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/- DVD Audio rips/Shiina Ringo - dvd 2007.02.21 - Dai Ikkai Ringohan Taikai no Moyou [256k]/shiina ringo - dai ikkai ringohan 06 - la salle de bain.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  250
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  8004048
                                           'mtime'  1620539980
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia & Tokyo Jihen DVD Audio rips dvd 2007.02.21 Dai Ikkai Ringohan Taikai no Moyou [256k] shiina ringo dai ikkai ringohan 06 loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  Shiina Ringo
                                     'tag_release'  None
                                       'tag_title'  la salle de bain
                                             'bpm'  126.095
                                    'search_title'  'bain':4 'de':3 'la':1 'salle':2
                                   'search_artist'  'ringo':2 'shiina':1
                                  'search_release'  
                                     'search_rest'  '00asia':1 '02':8 '2007':7 '20070221':10 '21':9 '256k':17,18 'asia':22 'audio':5 'dai':11 'dvd':4 'ikkai':12 'japan':23,29,31 'jazz':34 'jb':33 'jihen':3 'jrock':24 'loc':21,26,28 'moyou':16 'no':15 'prerock':30,32 'ringo':20 'ringohan':13 'rips':6 'shibuyakei':25,27 'shiina':19 'taikai':14 'tokyo':2 'unsorted':35
                                    'search_combo'  '00asia':7 '02':14 '2007':13 '20070221':16 '21':15 '256k':23,24 'asia':28 'audio':11 'bain':4A 'dai':17 'de':3A 'dvd':10 'ikkai':18 'japan':29,35,37 'jazz':40 'jb':39 'jihen':9 'jrock':30 'la':1A 'loc':27,32,34 'moyou':22 'no':21 'prerock':36,38 'ringo':6B,26 'ringohan':19 'rips':12 'salle':2A 'shibuyakei':31,33 'shiina':5B,25 'taikai':20 'tokyo':8 'unsorted':41
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539979.551996  (2021-05-09 07:59:39)
                             'size'  8004048