======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '487'
                                          'artist'  'Big City Orchestra'
                                     'text_people'  ''
                                         'release'  'Azimuth'
                                           'title'  '03angle'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial', 'noise', 'avant garde', 'experimental', 'old school "
 "industrial']")
                                     'discogstags'  "['electronic', 'industrial', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '133.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000042 0000008E 00000DFE 0000102F 00008CD0 000085C6 00008993 00009288 '
 '000085AC 000085AC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007F0 0000000001484000 00000000 00B2958E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Azimuth'
'TBPM' (BPM (beats per minute))                     '133.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         '03angle'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Big City Orchestra'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['electronic', 'industrial', 'experimental']
'TXXX:lastfmtags'                                   ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.972149'

========================== row from database ==========================
                                              'id'  1372912
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Big City Orchestra - 2006 - Bgi Ciyt Orchestar - Azimuth (Umbrella Noize Collective) [192k]/03 - angle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  487
                                           'genre'  electronic-experimental
                                        'filesize'  11710825
                                           'mtime'  1622801629
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2006 Bgi Ciyt Orchestar (Umbrella Noize Collective) [192k] electronic experimental
                                      'tag_artist'  Big City Orchestra
                                     'tag_release'  Azimuth
                                       'tag_title'  03angle
                                             'bpm'  133.6
                                    'search_title'  '03angle':1
                                   'search_artist'  'big':1 'city':2 'orchestra':3
                                  'search_release'  'azimuth':1
                                     'search_rest'  '192k':10,11 '2006':1 'bgi':2 'ciyt':3 'collective':8,9 'electronic':12 'experimental':13 'noize':7 'orchestar':4 'umbrella':5,6
                                    'search_combo'  '03angle':1A '192k':15,16 '2006':6 'azimuth':5C 'bgi':7 'big':2B 'city':3B 'ciyt':8 'collective':13,14 'electronic':17 'experimental':18 'noize':12 'orchestar':9 'orchestra':4B 'umbrella':10,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'industrial', 'experimental']

============================== file details ==============================
                                           'mtime'  1622801628.504411  (2021-06-04 12:13:48)
                             'size'  11710825