======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '169'
                                          'artist'  'Lee Hazlewood'
                                     'text_people'  'Harlan Howard'
                                         'release'  'Strung Out On Something New: The Reprise Recordings'
                                           'title'  'Sally Was A Good Old Girl'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'american', 'oldies', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'blues rock', 'country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '26'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-th-sex'
                                             'bpm'  '145.895'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000006FE 00000555 00015E31 00003710 000182F0 00007249 00006E24 000064AB '
 '00026305 00007249')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B40 000000000071BB30 00000000 003DD8A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '26+3ECA44333168CEE06D14A54732893D5A+10349753'
'TALB' (Album/Movie/Show title)                     'Strung Out On Something New: The Reprise Recordings'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCOM' (Composer)                                   'Harlan Howard'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country', 'set-th-sex']
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Sally Was A Good Old Girl'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lee Hazlewood'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '16/26'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'blues rock', 'country']
'TXXX:lastfmtags'                                   ['country', 'american', 'oldies', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.524057'

========================== row from database ==========================
                                              'id'  759626
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Lee Hazlewood - Sally Was A Good Old Girl.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  169
                                           'genre'  loc-namerica-country;set-th-sex
                                        'filesize'  4060465
                                           'mtime'  1621630335
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy loc namerica country;set sex
                                      'tag_artist'  Lee Hazlewood
                                     'tag_release'  Strung Out On Something New: The Reprise Recordings
                                       'tag_title'  Sally Was A Good Old Girl
                                             'bpm'  145.895
                                    'search_title'  'a':3 'girl':6 'good':4 'old':5 'sally':1 'was':2
                                   'search_artist'  'hazlewood':2 'lee':1
                                  'search_release'  'new':5,6 'on':3 'out':2 'recordings':9 'reprise':8 'something':4 'strung':1 'the':7
                                     'search_rest'  '0novelty':2 '0playlists':1 'country':7,9 'loc':5 'namerica':6 'set':8,10 'sex':11 'sexy':4 'themes':3
                                    'search_combo'  '0novelty':19 '0playlists':18 'a':3A 'country':24,26 'girl':6A 'good':4A 'hazlewood':8B 'lee':7B 'loc':22 'namerica':23 'new':13C,14C 'old':5A 'on':11C 'out':10C 'recordings':17C 'reprise':16C 'sally':1A 'set':25,27 'sex':28 'sexy':21 'something':12C 'strung':9C 'the':15C 'themes':20 'was':2A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'american', 'oldies', 'folk', 'singer songwriter']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'folk, world, & country', 'blues rock', 'country']

============================== file details ==============================
                                           'mtime'  1621630335.2550557  (2021-05-21 22:52:15)
                             'size'  4060465