======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '211'
                                          'artist'  'Loituma'
                                     'text_people'  ''
                                         'release'  'In the Moonlight'
                                           'title'  'Singing Keeps You Lazy (Laulu laiskana pitävi)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '107'
                                             'key'  '10B'
                                        'acoustid'  '8b8d4edf-9fb0-44f2-b66b-4b30edd3e0a7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In the Moonlight'
'TBPM' (BPM (beats per minute))                     '107'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1999-04-06'
'TIT2' (Title/songname/content description)         'Singing Keeps You Lazy (Laulu laiskana pitävi)'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Loituma'
'TPE2' (Band/orchestra/accompaniment)               'Loituma'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'NorthSide'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Loituma'
'TSOP' (Performer sort order)                       'Loituma'
'TXXX:ASIN'                                         'B00000IGRO'
'TXXX:Acoustid Id'                                  '8b8d4edf-9fb0-44f2-b66b-4b30edd3e0a7'
'TXXX:Artists'                                      'Loituma'
'TXXX:BARCODE'                                      '021561602724'
'TXXX:CATALOGNUMBER'                                'NSD6027'
'TXXX:MusicBrainz Album Artist Id'                  '779498bb-07cc-4b02-a48e-04203099aeb4'
'TXXX:MusicBrainz Album Id'                         '635791f5-792f-4192-a928-63fdeb2a25da'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '779498bb-07cc-4b02-a48e-04203099aeb4'
'TXXX:MusicBrainz Release Group Id'                 '3a608233-bdac-3533-a5f2-fdc759d5ea0d'
'TXXX:MusicBrainz Release Track Id'                 'd2160594-ec39-3bf9-9ce9-90025fbdceb4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '1'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.689580'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8f4d8bad-aa6e-40bb-a6a7-b288094876fe')

========================== row from database ==========================
                                              'id'  931660
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/Loituma/04 - Track 04 - Kuatamolla - Loituma.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  211
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  3394888
                                           'mtime'  1621629430
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia 04 Track 04 Kuatamolla loc eur northern finland
                                      'tag_artist'  Loituma
                                     'tag_release'  In the Moonlight
                                       'tag_title'  Singing Keeps You Lazy (Laulu laiskana pitävi)
                                             'bpm'  107.0
                                    'search_title'  'keeps':2 'laiskana':7 'laulu':5,6 'lazy':4 'pitavi':8,9,10,11 'singing':1 'you':3
                                   'search_artist'  'loituma':1
                                  'search_release'  'in':1 'moonlight':3 'the':2
                                     'search_rest'  '00mid':1 '00scandinavia':4 'eur':8 'europe':3 'finland':10 'kuatamolla':6 'loc':7 'north':2 'northern':9 'track':5
                                    'search_combo'  '00mid':16 '00scandinavia':19 'eur':23 'europe':18 'finland':25 'in':13C 'keeps':2A 'kuatamolla':21 'laiskana':7A 'laulu':5A,6A 'lazy':4A 'loc':22 'loituma':12B 'moonlight':15C 'north':17 'northern':24 'pitavi':8A,9A,10A,11A 'singing':1A 'the':14C 'track':20 'you':3A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
                                        'tag_date'  1999
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621629429.685279  (2021-05-21 22:37:09)
                             'size'  3394888