======================== unified (from filesystem) ========================
                                         'bitrate'  '231.193'
                                        'duration'  '224'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  'Sufjan Stevens'
                                         'release'  'Michigan'
                                           'title'  'Flint (For the Unemployed and Underpaid)'
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                                      'lastfmtags'  "['indie/beautiful/mellow/folk/singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '17'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '123.6'
                                             'key'  '7A'
                                        'acoustid'  '93044962-f94b-4861-a49c-6b2db4191e25'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Michigan'
'TBPM' (BPM (beats per minute))                     '123.6'
'TCOM' (Composer)                                   'Sufjan Stevens'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-07-01'
'TIT2' (Title/songname/content description)         'Flint (For the Unemployed and Underpaid)'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TPE2' (Band/orchestra/accompaniment)               'Sufjan Stevens'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asthmatic Kitty Records'
'TRCK' (Track number/Position in set)               '1/17'
'TSO2'                                              'Stevens, Sufjan'
'TSOP' (Performer sort order)                       'Stevens, Sufjan'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Acoustid Id'                                  '93044962-f94b-4861-a49c-6b2db4191e25'
'TXXX:Artists'                                      'Sufjan Stevens'
'TXXX:BARCODE'                                      '656605551067'
'TXXX:CATALOGNUMBER'                                'AKR007'
'TXXX:DeviceConformanceTemplate'                    'L3'
'TXXX:IsVBR'                                        '1'
'TXXX:MusicBrainz Album Artist Id'                  '01d3c51b-9b98-418a-8d8e-37f6fab59d8c'
'TXXX:MusicBrainz Album Id'                         '9170d35d-8c45-43bf-803a-a09f49e9c38d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '01d3c51b-9b98-418a-8d8e-37f6fab59d8c'
'TXXX:MusicBrainz Release Group Id'                 '704a628d-949d-3799-b56c-6eb171901d81'
'TXXX:MusicBrainz Release Track Id'                 'c2d405cd-45fa-349a-906f-e760f5031e87'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:WM/EncodingTime'                              '18446744072512791808'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '7'
'TXXX:WM/ProviderStyle'                             'Folk'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   646729;AMGp_id=P   442935;AMGt_id=T  6385892'
'TXXX:WM/WMADRCAverageReference'                    '5746'
'TXXX:WM/WMADRCPeakReference'                       '29126'
'TXXX:WM/Year'                                      '2003'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '10.00.00.3646'
'TXXX:lastfmtags'                                   'indie/beautiful/mellow/folk/singer songwriter'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.532564'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'692bae0e-4939-466b-a03f-737ef9e2a861')

========================== row from database ==========================
                                              'id'  1245804
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/Greetings From Michigan, The Great Lake State/Flint(For The Unemployed and Underpaid).Sufjan Stevens.01.wma.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  224
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6531995
                                           'mtime'  1636759518
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Greetings From Michigan, The Great Lake State Flint(For The Underpaid).Sufjan Stevens.01.wma ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  Michigan
                                       'tag_title'  Flint (For the Unemployed and Underpaid)
                                             'bpm'  123.6
                                    'search_title'  'and':6 'flint':1 'for':2,3 'the':4 'underpaid':7,8 'unemployed':5
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'michigan':1
                                     'search_rest'  '00singer':1 '01':19 'eos':3 'flint':12 'flintfor':14 'for':13 'from':5 'great':9 'greetings':4 'ifs':22 'indie':23 'lake':10 'michigan':6,7 'songwriter':2 'state':11 'stevens':18 'stevens01wma':21 'sufjan':16 'the':8 'underpaid':15 'underpaidsufjan':17 'unsorted':24 'wma':20
                                    'search_combo'  '00singer':12 '01':30 'and':6A 'eos':14 'flint':1A,23 'flintfor':25 'for':2A,3A,24 'from':16 'great':20 'greetings':15 'ifs':33 'indie':34 'lake':21 'michigan':11C,17,18 'songwriter':13 'state':22 'stevens':10B,29 'stevens01wma':32 'sufjan':9B,27 'the':4A,19 'underpaid':7A,8A,26 'underpaidsufjan':28 'unemployed':5A 'unsorted':35 'wma':31
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie/beautiful/mellow/folk/singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636759518.0913653  (2021-11-13 00:25:18)
                             'size'  6531995