======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '323'
                                          'artist'  'Bruce Cockburn'
                                     'text_people'  ''
                                         'release'  '2 Meter Sessies, Volume 1'
                                           'title'  'If I Had a Rocket Launcher'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', 'rock', 'canadian', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '18'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '127.524'
                                             'key'  '9A'
                                        'acoustid'  '067335e8-3a37-4116-84cb-f2c6712ee783'
rest: ''

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

'TALB' (Album/Movie/Show title)                     '2 Meter Sessies, Volume 1'
'TBPM' (BPM (beats per minute))                     '127.524'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'If I Had a Rocket Launcher'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Cockburn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Varagram'
'TRCK' (Track number/Position in set)               '6/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Cockburn, Bruce'
'TXXX:ASIN'                                         'B00005A1DK'
'TXXX:Acoustid Id'                                  '067335e8-3a37-4116-84cb-f2c6712ee783'
'TXXX:BARCODE'                                      '042284852029'
'TXXX:CATALOGNUMBER'                                '848 520-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4f915511-2689-4989-9e9c-0c952f8bfea2'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '254b70d3-4aec-4c64-ac95-b13a1dbb30cb'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['folk rock', 'rock', 'canadian', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.919683'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ee1fb692-533b-456a-865d-1f2cb13486f9')

========================== row from database ==========================
                                              'id'  1300704
                                            'path'  /data/Music/Bulk/00poprockelectronic/Twee_Meter_Sessies/Volume 1/Twee Meter Sessies Volume 1 - Bruce Cockburn - If I Had A Rocket Laun.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  323
                                           'genre'  ifs-songwriter
                                        'filesize'  5176944
                                           'mtime'  1637330759
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Twee_Meter_Sessies Twee A ifs songwriter
                                      'tag_artist'  Bruce Cockburn
                                     'tag_release'  2 Meter Sessies, Volume 1
                                       'tag_title'  If I Had a Rocket Launcher
                                             'bpm'  127.524
                                    'search_title'  'a':4 'had':3 'i':2 'if':1 'launcher':6 'rocket':5
                                   'search_artist'  'bruce':1 'cockburn':2
                                  'search_release'  '1':6 '2':1 'meter':2 'sessies':3,4 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'a':6 'ifs':7 'meter':3 'sessies':4 'songwriter':8 'twee':2,5
                                    'search_combo'  '00poprockelectronic':15 '1':14C '2':9C 'a':4A,20 'bruce':7B 'cockburn':8B 'had':3A 'i':2A 'if':1A 'ifs':21 'launcher':6A 'meter':10C,17 'rocket':5A 'sessies':11C,12C,18 'songwriter':22 'twee':16,19 'volume':13C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'rock', 'canadian', 'folk', 'singer songwriter']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330759.2285707  (2021-11-19 15:05:59)
                             'size'  5176944