======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '202'
                                          'artist'  'the new hawks'
                                     'text_people'  ''
                                         'release'  'Murder on your ears'
                                           'title'  'the james bond theme'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '48'
                                      'tracktotal'  '49'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-combinations'
                                             'bpm'  '104.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001492 00000962 0001810D 000089CF 0002FA8D 00030782 000096A5 000091F8 '
 '00003853 0000393E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A68 0000000000884988 00000000 003DC43F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'D411E131+343449+49+150+2727+13902+16302+28527+32835+43262+47462+57637+62137+71337+75012+83262+87462+95558+99418+107913+112113+122688+131763+140388+149238+159888+161845+170622+174572+185322+187528+197663+199426+207418+212368+222268+224272+235897+241530+252685+254449+265210+269818+279863+283988+295538+300113+311034+315309+326045+327695+342885'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '48'
'TALB' (Album/Movie/Show title)                     'Murder on your ears'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-combinations'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'the james bond theme'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'the new hawks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '48/49'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.426491'

========================== row from database ==========================
                                              'id'  947488
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - J.R. Williams - Murder On Your Ears/48 - the new hawks - the james bond theme.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  202
                                           'genre'  electronic-experimental-combinations
                                        'filesize'  4054303
                                           'mtime'  1620586877
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va J.R. Williams On Your Ears 48 electronic experimental combinations
                                      'tag_artist'  the new hawks
                                     'tag_release'  Murder on your ears
                                       'tag_title'  the james bond theme
                                             'bpm'  104.7
                                    'search_title'  'bond':3 'james':2 'the':1 'theme':4
                                   'search_artist'  'hawks':3 'new':2 'the':1
                                  'search_release'  'ears':4 'murder':1 'on':2 'your':3
                                     'search_rest'  '48':9 'combinations':12 'ears':8 'electronic':10 'experimental':11 'j':2 'jr':4 'on':6 'r':3 'va':1 'williams':5 'your':7
                                    'search_combo'  '48':20 'bond':3A 'combinations':23 'ears':11C,19 'electronic':21 'experimental':22 'hawks':7B 'j':13 'james':2A 'jr':15 'murder':8C 'new':6B 'on':9C,17 'r':14 'the':1A,5B 'theme':4A 'va':12 'williams':16 'your':10C,18
                                    'tag_tracknum'  48
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586877.2138786  (2021-05-09 21:01:17)
                             'size'  4054303