======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '144'
                                          'artist'  'Poco'
                                     'text_people'  ''
                                         'release'  'Crazy Eyes'
                                           'title'  'Fools Gold'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country rock', 'soft rock', 'rock', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '143.416'
                                             'key'  '11B'
                                        'acoustid'  '44d9780d-3097-463c-ba15-d56a2ecf6afc'
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '5808E508'
'COMM:ID3v1 Comment:XXX'                            '5808E508'
'TALB' (Album/Movie/Show title)                     'Crazy Eyes'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Fools Gold'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Poco'
'TPE2' (Band/orchestra/accompaniment)               'Poco'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic/Legacy'
'TRCK' (Track number/Position in set)               '2/8'
'TSO2'                                              'Poco'
'TSOP' (Performer sort order)                       'Poco'
'TSRC' (ISRC (international standard recording code))  'USSM10005714'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.82.01, External encoder lame.exe (%s %d -b 256) '
'TXXX:ASIN'                                         'B000002B08'
'TXXX:Acoustid Id'                                  '44d9780d-3097-463c-ba15-d56a2ecf6afc'
'TXXX:BARCODE'                                      '074646696828'
'TXXX:CATALOGNUMBER'                                'EK 66968'
'TXXX:MusicBrainz Album Artist Id'                  '459ecf74-7f1f-434c-a304-73b78e9cdc97'
'TXXX:MusicBrainz Album Id'                         '3f0483ac-db66-4852-b2d6-8c1b41055f55'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '459ecf74-7f1f-434c-a304-73b78e9cdc97'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['country rock', 'soft rock', 'rock', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.713504'

========================== row from database ==========================
                                              'id'  1377375
                                            'path'  /data/Music/Bulk/00poprockelectronic/Poco - Crazy Eyes (US 1973)/Poco - 02 - Fools Gold.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  144
                                           'genre'  loc-namerica-country
                                        'filesize'  4623849
                                           'mtime'  1621630195
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (US 1973) 02 loc namerica country
                                      'tag_artist'  Poco
                                     'tag_release'  Crazy Eyes
                                       'tag_title'  Fools Gold
                                             'bpm'  143.416
                                    'search_title'  'fools':1 'gold':2
                                   'search_artist'  'poco':1
                                  'search_release'  'crazy':1 'eyes':2
                                     'search_rest'  '00poprockelectronic':1 '1973':4,5 'country':8 'loc':6 'namerica':7 'us':2,3
                                    'search_combo'  '00poprockelectronic':6 '1973':9,10 'country':13 'crazy':4C 'eyes':5C 'fools':1A 'gold':2A 'loc':11 'namerica':12 'poco':3B 'us':7,8
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country rock', 'soft rock', 'rock', '70s', 'classic rock']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630194.6214004  (2021-05-21 22:49:54)
                             'size'  4623849