======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Nancy Dupree'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'James Brown'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'soul', 'cooper was here', 'funk', 'folk']"
                                     'discogstags'  "['non-music', 'spoken word', 'poetry']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '102.2'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '72077F0A+144110+10+150+13730+26361+38867+64001+77560+93663+97829+108055+125159'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '2'
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '102.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         'James Brown'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nancy Dupree'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['non-music', 'spoken word', 'poetry']
'TXXX:lastfmtags'                                   ['jazz', 'soul', 'cooper was here', 'funk', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.346704'

========================== row from database ==========================
                                              'id'  648369
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Nancy_Dupree_-_James_Brown.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4045920
                                           'mtime'  1636916381
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Nancy_Dupree_ _James_Brown electronic experimental oddness
                                      'tag_artist'  Nancy Dupree
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  James Brown
                                             'bpm'  102.2
                                    'search_title'  'brown':2 'james':1
                                   'search_artist'  'dupree':2 'nancy':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'brown':6 'dupree':4 'electronic':7 'experimental':8 'james':5 'maniacs':2 'music':1 'nancy':3 'oddness':9
                                    'search_combo'  'brown':2A,13 'dupree':4B,11 'electronic':14 'experimental':15 'for':6C 'james':1A,12 'maniacs':7C,9 'music':5C,8 'nancy':3B,10 'oddness':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'soul', 'cooper was here', 'funk', 'folk']
                                        'tag_date'  2010
                                     'discogstags'  ['non-music', 'spoken word', 'poetry']

============================== file details ==============================
                                           'mtime'  1636916380.5886207  (2021-11-14 19:59:40)
                             'size'  4045920