======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '260'
                                          'artist'  'Bruce Haack With Ed Harvey'
                                     'text_people'  ''
                                         'release'  'Bite'
                                           'title'  'Child Psychologist'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '106.695267'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000235 000009D7 000023CA 00018C29 0002589C 000234CB 00005D48 00007F08 '
 '0002F3B6 00023500')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000714 0000000000AF40DC 00000000 009EDD64 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+C801FA84075A51B74D1B16A451CD6E95+5650323'
'TALB' (Album/Movie/Show title)                     'Bite'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1981'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Child Psychologist'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Haack With Ed Harvey'
'TRCK' (Track number/Position in set)               '3/10'
'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:TraktorID'                                    '04-AQQAAnZDVDU1QzU0RFRDVERGQ0U0REZSEkNDMzNENDM0NVQkVGNFM1VFNWQ0MkJCIkIzJEQyJURERDNTRERDVVM0NDNCMzNDRCNDJDRCNCJTREMhNDQ0NDQzQ0M0ZTJEJTQyNDNDQjNDREQjRDUzRDISU0MzMyQkMzMiMkIiMjM0NFU0RERGZUNCMzV1d2d2RDRDRTNDQzVjQyQzQjQyQ0QjQzUkMjUzQ0V2Q0MjIyQjRDMzQ0NDQ0MzMzRVRFU0NEM0RFJEM0MkIyESM0MzIkVURVM0RVRFI0REM0IkVEMzI0VERTI0REM0I0Q0MzEkVVQzJEUzMyEREQAAAAAAAA'
'TXXX:TraktorPeakDB'                                '0.000000'
'TXXX:TraktorPerceivedDB'                           '1.529466'
'TXXX:TraktorReleaseDate'                           '1981/01/01'
'TXXX:fBPM'                                         '106.695267'
'TXXX:fBPMQuality'                                  '0.251254'
'TXXX:lastfmtags'                                   'electronic'
'TXXX:q-bass'                                       '1'
'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'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.33 dB'
'TXXX:replaygain_track_peak'                        '0.505818'

========================== row from database ==========================
                                              'id'  918765
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/1981 - Bruce Haack with Ed Harvey - Bite (Dimension 5) [320k]/03 Child Psychologist.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  260
                                           'genre'  electronic-experimental
                                        'filesize'  10421945
                                           'mtime'  1636916818
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1981 with (Dimension 5) [320k] 03 electronic experimental
                                      'tag_artist'  Bruce Haack With Ed Harvey
                                     'tag_release'  Bite
                                       'tag_title'  Child Psychologist
                                             'bpm'  106.695
                                    'search_title'  'child':1 'psychologist':2
                                   'search_artist'  'bruce':1 'ed':4 'haack':2 'harvey':5 'with':3
                                  'search_release'  'bite':1
                                     'search_rest'  '1981':1 '320k':7,8 '5':5,6 'dimension':3,4 'electronic':9 'experimental':10 'with':2
                                    'search_combo'  '1981':9 '320k':15,16 '5':13,14 'bite':8C 'bruce':3B 'child':1A 'dimension':11,12 'ed':6B 'electronic':17 'experimental':18 'haack':4B 'harvey':7B 'psychologist':2A 'with':5B,10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916818.3157182  (2021-11-14 20:06:58)
                             'size'  10421945